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September 2026 GMC Specials & Lease Deals | Marty's GMC, Kingston MA
September 2026 · Truck Month

New GMC specials on the South Shore.

GMC is calling it Truck Month, and the 2026 Sierra 1500 is carrying it — 0% APR for five years with no monthly payments until next year, or a $10,799 Total Value on the Elevation Crew Cab w/TurboMax if you have a trade. Every offer below is grouped by model and separated into lease, cash and finance, with the full disclosure one tap away on every number.

Updated September 4, 2026
Most Programs End September 30, 2026
Models 8
Time Left —
See all 8 models and 21 offers below
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GMC Lineup — Every Current Offer by Model

Tap any model to expand additional incentives, view full disclaimers, or jump to that vehicle's research page.

FAQ · Specials

Frequently Asked Questions

The questions our team gets most often about current GMC offers, lease terms, and shopping a new GMC on the South Shore.

GMC is running Truck Month for September 2026. The headline is on the 2026 Sierra 1500: 0% APR for five years for well-qualified buyers through GM Financial, plus no monthly payments until next year. Separately, the Sierra 1500 Elevation Crew Cab with the TurboMax engine carries a $10,799 Total Value when you trade in an eligible vehicle. Elsewhere: Sierra HD Denali has 4.9% APR plus a $2,000 Purchase Allowance, and the Denali Diesel has a separate $3,500 allowance; Canyon Elevation has 3.9% APR for five years plus $2,000 for non-GM owners; Acadia has 2.9% APR; and Terrain has a $1,000 Purchase Allowance with an eligible trade. Leases run from $279/mo on the Sierra 1500 Double Cab and $299/mo on the Terrain AWD Elevation. Every advertised figure on this page already includes our $595 dealer documentation fee. All offers require new retail delivery by 9/30/2026.
Yes. For September 2026, 0% APR for five years is available on the 2026 GMC Sierra 1500 for well-qualified buyers financing through GM Financial, and it pairs with no monthly payments until next year. There is also a separate 0% APR program on the Sierra 1500 Elevation Crew Cab with a TurboMax engine that carries a $10,799 Total Value, but that one is a 36-month contract and it requires trading in an eligible 2012 model year or newer vehicle. The two programs are different and cannot be combined. Both are subject to credit approval and not all customers will qualify.
It means GM Financial defers your first payment for 122 days from the contract date. It is a deferral, not forgiveness: finance charges accrue from the date of financing, so interest is building during those 122 days even though you are not making a payment. A down payment may still be required at signing. The offer is available on the Sierra 1500, Sierra HD Denali and Canyon Elevation finance programs this month, you must finance through GM Financial, and not all customers will qualify.
Yes. The $10,799 Total Value on the 2026 Sierra 1500 Elevation Crew Cab w/TurboMax requires that you trade in an eligible 2012 model year or newer vehicle and show proof of ownership. The total is made up of $4,949 Average Finance Savings, a $3,500 Trade Allowance, a $1,350 Engine Credit and $1,000 Bonus Cash. The Average Finance Savings piece is an estimate GMC bases on a 5.64% Bankrate comparison, so your actual savings will differ depending on how much you finance and for how long. It applies only to that Elevation Crew Cab w/TurboMax configuration. If you do not have a trade, the 0% APR for five years offer on the 2026 Sierra 1500 is the one to look at.
Not for September 2026. GMC ran APR programs on the Terrain in August, but for September the Terrain offer is a $1,000 Purchase Allowance when you trade in an eligible 2012 model year or newer vehicle and finance through GM Financial, alongside a $299/mo lease for 36 months on the Terrain AWD Elevation for eligible current lessees. If you were quoted a Terrain rate in August, please ask us to re-quote it, because that program is no longer available.
Usually not. GM finance programs, cash allowances and lease offers are generally alternatives rather than add-ons, and most of the disclosures state the offer is not available with lease or some other offers. For example, the Sierra 1500 Total Value package cannot be combined with the 0% APR for five years program or with a lease. Purchase Allowances that GMC publishes as part of a finance offer are already included in that offer. Where GMC does allow stacking, such as the Military and First Responder bonuses, we will apply every incentive you qualify for. Bring your documentation and we will run the combinations and show you which structure costs you least.
Yes. Marty's GMC honors the GM Military Appreciation and First Responder programs whenever GM has them live. The military benefit is $1,000 total, made up of a $500 GM Military Offer and a $500 GMC Military Bonus Cash, for eligible active-duty members, reservists, retirees, veterans within one year of separation and eligible spouses. The First Responder Bonus is $500 for active police, EMT, firefighters and 911 dispatchers. Both require documentation and both stack with most public retail offers.
Yes. Every advertised price, monthly lease payment, cash-due-at-signing amount and finance figure on this page already includes our $595 dealer documentation fee. No additional documentation fee is added at the time of sale. Tax, title, license and registration are separate, and all offers remain subject to credit approval.
Right Off Route 3

Your September 2026 GMC Specials Dealer in Kingston, Massachusetts.

Marty's GMC is family-owned and has been part of the Plymouth County and South Shore community since the 1960s, with the dealership passing from founder Marty Alicandro to his daughter Christine — two generations of the Alicandro family. Located at 5 Kingston Collection Way in Kingston, MA — right off Route 3 at Exit 20 — we're the most convenient GMC dealership for new-vehicle shoppers across Plymouth, Duxbury, Marshfield, Pembroke, Hanover, Plympton, Halifax, Carver, Middleboro, Wareham, and the rest of the South Shore. Many customers also travel from the South Coast and Cape Cod for our pricing and inventory selection.

Every offer on this page is a real, verified September 2026 GMC program for ZIP 02364, including the GM corporate Military Bonus Cash and First Responder Bonus, plus Conquest/Loyalty, Educator, Healthcare, and Recent Graduate programs where eligible. On a few of the higher-trim configurations (Yukon Denali Ultimate, Sierra 1500 Denali Ultimate) the national lease numbers shift week to week, so rather than pretend we have a fixed payment on every trim, we'll run your scenario at current money factors and residuals through GM Financial and lay it out side by side. No games, no gimmicks.

Want to chat numbers or come kick the tires? Call sales at 781-936-0081, or check our hours and directions and stop in.

  • 4.6★ Google Rating
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  • 1960s Family-Owned Since
  • 2 Generations of Alicandros
Compliance · Full Disclosures

Offer Disclosures & Disclaimers

Every offer above in full detail, plus the general disclaimer. All advertised prices on this page include the $595 dealer documentation fee. Verified for ZIP 02364 and updated September 4, 2026. Offers expire 9/30/2026 unless otherwise noted. Click to expand.

General Disclaimer

Dealer Documentation Fee: All advertised prices, monthly lease payments, cash-due-at-signing amounts, and finance figures on this page include the $595 dealer documentation fee. No additional documentation fee will be added at the time of sale.

Vehicles shown are for illustration purposes only and may not represent the actual vehicle, trim, color, or equipment available. All offers are subject to credit approval through GM Financial or another participating lender. Beyond the $595 dealer documentation fee (which is already included), tax, title, license, registration, acquisition fees, and optional equipment are additional charges paid at the time of sale. Lease offers are based on the stated mileage allowance with a $0.25/mile overage charge unless otherwise noted; a disposition fee may apply at lease end.

Offers are compiled from current GMC national programs verified for ZIP 02364 in September 2026; final pricing, availability, and exact terms are confirmed at the time of sale. Vehicles subject to prior sale. Not all buyers will qualify for advertised rates or rebates. Marty's GMC is an Equal Credit Opportunity dealer. See dealer for complete details. Offers expire 9/30/2026 unless otherwise noted.

2026 GMC Sierra 1500

  1. Offer 01 · Featured 0% APR for 5 years + no payments until next year — 2026 Sierra 1500 · financed through GM Financial

    0% APR for 5 years for well-qualified buyers when you finance through GM Financial. Monthly payment is $16.67 for every $1,000 you finance. Average example down payment is 10.3%. Must finance through GM Financial. Some customers may not qualify. Not available with lease and some other offers. Take new retail delivery by 9/30/26. Deferred monthly payments for 122 days. Must finance with GM Financial. Some customers may not qualify. Down payment required at signing, if applicable. Finance charges accrue from date of financing. Not available with lease and some other offers. Take new retail delivery by 9/30/26. All advertised prices, monthly lease payments, cash-due-at-signing amounts, and finance figures include the $595 dealer documentation fee. No additional documentation fee will be added at the time of sale. Tax, title, license, and registration extra.

  2. Offer 02 0% APR + $10,799 Total Value with an eligible trade — 2026 Sierra 1500 Elevation Crew Cab w/TurboMax only

    0% APR for well-qualified buyers when you finance through GM Financial on the 2026 Sierra 1500 Elevation Crew Cab with a TurboMax engine. Length of contract 36 months. Monthly payment is $27.78 for every $1,000 you finance. Average example down payment is 11.9%. Based on MSRP of $55,370. For trade allowance, you must show proof of ownership and trade in a 2012 model year or newer vehicle. Length of contract limited. Some customers will not qualify. Savings based on Bankrate of 5.64%. Not available with lease and some other offers. Take new retail delivery by 9/30/26. The $10,799 Total Value is made up of $4,949 Average Finance Savings, $3,500 Trade Allowance, $1,350 Engine Credit and $1,000 Bonus Cash. Average Finance Savings is an estimate based on a 5.64% Bankrate comparison and varies by amount financed and term; your savings will differ. This program applies to the Elevation Crew Cab w/TurboMax configuration only — other trims, cabs and engines are not eligible. This is a separate program from the 0% APR for 5 years offer and the two cannot be combined. All advertised prices, monthly lease payments, cash-due-at-signing amounts, and finance figures include the $595 dealer documentation fee. No additional documentation fee will be added at the time of sale. Tax, title, license, and registration extra.

  3. Offer 03 $279/mo for 24 months — 2026 Sierra 1500 Double Cab 4WD Elevation w/TurboMax

    Ultra Low-Mileage Lease for Well-Qualified Lessees. $279 per month for 24 months. $3,759 due at signing (after all offers) for current lessees of 2021 model year or newer select GM vehicles. $0 security deposit. 20,000-mile total mileage allowance; mileage charge of $0.25/mile over 20,000 miles at participating dealers. Lessor must approve lease. Payments may be higher in some states. Not all customers will qualify. Take new retail delivery by 9/30/26. All advertised prices, monthly lease payments, cash-due-at-signing amounts, and finance figures include the $595 dealer documentation fee. No additional documentation fee will be added at the time of sale. Tax, title, license, and registration extra.

  4. Offer 04 $299/mo for 24 months — 2026 Sierra 1500 Short Box Crew Cab 4WD Elevation w/TurboMax

    Ultra Low-Mileage Lease for Well-Qualified Lessees. $299 per month for 24 months. $4,659 due at signing (after all offers) for current lessees of 2021 model year or newer select GM vehicles. $0 security deposit. 20,000-mile total mileage allowance; mileage charge of $0.25/mile over 20,000 miles at participating dealers. Lessor must approve lease. Payments may be higher in some states. Not all customers will qualify. Take new retail delivery by 9/30/26. All advertised prices, monthly lease payments, cash-due-at-signing amounts, and finance figures include the $595 dealer documentation fee. No additional documentation fee will be added at the time of sale. Tax, title, license, and registration extra.

  5. Offer 05 $369/mo for 24 months · 5.3L V8 — 2026 Sierra 1500 Short Box Crew Cab 4WD Elevation w/5.3L EcoTec3 V8

    Ultra Low-Mileage Lease for Well-Qualified Lessees. $369 per month for 24 months. $4,919 due at signing (after all offers) for current lessees of 2021 model year or newer select GM vehicles. $0 security deposit. 20,000-mile total mileage allowance; mileage charge of $0.25/mile over 20,000 miles at participating dealers. Lessor must approve lease. Payments may be higher in some states. Not all customers will qualify. Take new retail delivery by 9/30/26. All advertised prices, monthly lease payments, cash-due-at-signing amounts, and finance figures include the $595 dealer documentation fee. No additional documentation fee will be added at the time of sale. Tax, title, license, and registration extra.

2026 GMC Sierra HD

  1. Offer 01 4.9% APR + $2,000 Purchase Allowance + no payments until next year — 2026 Sierra HD Denali (2500HD & 3500HD)

    4.9% APR for well-qualified buyers when you finance through GM Financial. Length of contract 48 months. Monthly payment is $22.98 for every $1,000 you finance. Average example down payment is 10.7%. Must finance through GM Financial. Some customers may not qualify. Not available with lease and some other offers. Take new retail delivery by 9/30/26. The $2,000 Purchase Allowance is not available with some other offers. Deferred monthly payments for 122 days. Excludes residents of PA. Must finance with GM Financial. Some customers may not qualify. Down payment required at signing, if applicable. Finance charges accrue from date of financing. Not available with lease and some other offers. Take new retail delivery by 9/30/26. All advertised prices, monthly lease payments, cash-due-at-signing amounts, and finance figures include the $595 dealer documentation fee. No additional documentation fee will be added at the time of sale. Tax, title, license, and registration extra.

  2. Offer 02 $3,500 Purchase Allowance on the Denali Diesel — 2026 Sierra HD Denali Diesel

    $3,500 Purchase Allowance. On diesel engines only. Not available with lease and some other offers. Take new retail delivery by 9/30/26. All advertised prices, monthly lease payments, cash-due-at-signing amounts, and finance figures include the $595 dealer documentation fee. No additional documentation fee will be added at the time of sale. Tax, title, license, and registration extra.

  3. Offer 03 $799/mo for 36 months — 2026 Sierra 2500HD Crew Cab 4WD Denali

    National GMC Lease Offer. Ultra Low-Mileage Lease for Well-Qualified Lessees. $799 per month for 36 months. $8,229 due at signing (after all offers). $0 security deposit. 30,000-mile total mileage allowance; mileage charge of $0.25/mile over 30,000 miles at participating dealers. Lessor must approve lease. Payments may be higher in some states. Not all customers will qualify. Take new retail delivery by 9/30/26. All advertised prices, monthly lease payments, cash-due-at-signing amounts, and finance figures include the $595 dealer documentation fee. No additional documentation fee will be added at the time of sale. Tax, title, license, and registration extra.

2026 GMC Canyon

  1. Offer 01 3.9% APR for 5 years + no payments until next year — 2026 GMC Canyon Elevation

    3.9% APR for 5 years for well-qualified buyers when you finance through GM Financial. Monthly payment is $18.37 for every $1,000 you finance. Example down payment is 28.3%. Must finance through GM Financial. Some customers may not qualify. Not available with lease and some other offers. Take new retail delivery by 9/30/26. Deferred monthly payments for 122 days. Excludes residents of PA. Must finance with GM Financial. Some customers may not qualify. Down payment required at signing, if applicable. Finance charges accrue from date of financing. Not available with lease and some other offers. Take new retail delivery by 9/30/26. All advertised prices, monthly lease payments, cash-due-at-signing amounts, and finance figures include the $595 dealer documentation fee. No additional documentation fee will be added at the time of sale. Tax, title, license, and registration extra.

  2. Offer 02 $2,000 Purchase Allowance for non-GM owners — 2026 GMC Canyon Elevation

    $2,000 Purchase Allowance for current eligible non-GM owners/lessees. MUST BE A CURRENT OWNER OF A 2012 MODEL YEAR OR NEWER NON-GM VEHICLE OR A CURRENT LESSEE OF A 2021 MODEL YEAR OR NEWER NON-GM VEHICLE FOR AT LEAST 30 DAYS PRIOR TO NEW VEHICLE SALE. Not available with lease and some other offers. Take new retail delivery by 9/30/26. All advertised prices, monthly lease payments, cash-due-at-signing amounts, and finance figures include the $595 dealer documentation fee. No additional documentation fee will be added at the time of sale. Tax, title, license, and registration extra.

  3. Offer 03 $369/mo for 36 months — 2026 GMC Canyon Short Crew 4WD Elevation

    Ultra Low-Mileage Lease for Well-Qualified Lessees. $369 per month for 36 months. $4,269 due at signing (after all offers). $0 security deposit. 30,000-mile total mileage allowance; mileage charge of $0.25/mile over 30,000 miles at participating dealers. Lessor must approve lease. Payments may be higher in some states. Not all customers will qualify. Take new retail delivery by 9/30/26. All advertised prices, monthly lease payments, cash-due-at-signing amounts, and finance figures include the $595 dealer documentation fee. No additional documentation fee will be added at the time of sale. Tax, title, license, and registration extra.

2026 GMC Terrain

  1. Offer 01 $1,000 Purchase Allowance with an eligible trade — 2026 GMC Terrain

    $1,000 Purchase Allowance when you trade in an eligible vehicle. For trade allowance, must show proof of ownership and trade in a 2012 model year or newer vehicle. Must finance with GM Financial. Some customers may not qualify. Not available with lease and some other offers. Take new retail delivery by 9/30/26. All advertised prices, monthly lease payments, cash-due-at-signing amounts, and finance figures include the $595 dealer documentation fee. No additional documentation fee will be added at the time of sale. Tax, title, license, and registration extra.

  2. Offer 02 $299/mo for 36 months — 2026 GMC Terrain AWD Elevation

    Ultra Low-Mileage Lease for Well-Qualified Lessees. $299 per month for 36 months. $4,249 due at signing (after all offers) for eligible current lessees. $0 security deposit. 30,000-mile total mileage allowance; mileage charge of $0.25/mile over 30,000 miles at participating dealers. Lessor must approve lease. Payments may be higher in some states. Not all customers will qualify. Take new retail delivery by 9/30/26. All advertised prices, monthly lease payments, cash-due-at-signing amounts, and finance figures include the $595 dealer documentation fee. No additional documentation fee will be added at the time of sale. Tax, title, license, and registration extra.

2026 GMC Acadia

  1. Offer 01 2.9% APR — 2026 GMC Acadia · financed through GM Financial

    2.9% APR for well-qualified buyers when you finance through GM Financial. Length of contract 36 months. Monthly payment is $29.04 for every $1,000 you finance. Example down payment is 15.5%. Must finance through GM Financial. Some customers may not qualify. Not available with lease and some other offers. Take new retail delivery by 9/30/26. All advertised prices, monthly lease payments, cash-due-at-signing amounts, and finance figures include the $595 dealer documentation fee. No additional documentation fee will be added at the time of sale. Tax, title, license, and registration extra.

  2. Offer 02 $499/mo for 24 months — 2026 GMC Acadia AWD Elevation

    Ultra Low-Mileage Lease for Well-Qualified Lessees. $499 per month for 24 months. $6,079 due at signing (after all offers) for eligible current lessees. $0 security deposit. 20,000-mile total mileage allowance; mileage charge of $0.25/mile over 20,000 miles at participating dealers. Lessor must approve lease. Payments may be higher in some states. Not all customers will qualify. Take new retail delivery by 9/30/26. All advertised prices, monthly lease payments, cash-due-at-signing amounts, and finance figures include the $595 dealer documentation fee. No additional documentation fee will be added at the time of sale. Tax, title, license, and registration extra.

2026 GMC Yukon & Yukon XL

  1. Offer 01 Yukon — $899/mo for 36 months — 2026 GMC Yukon 4WD Elevation

    National GMC Lease Offer. Ultra Low-Mileage Lease for Well-Qualified Lessees. $899 per month for 36 months. $9,869 due at signing (after all offers). $0 security deposit. 30,000-mile total mileage allowance; mileage charge of $0.25/mile over 30,000 miles at participating dealers. Lessor must approve lease. Payments may be higher in some states. Not all customers will qualify. Take new retail delivery by 9/30/26. All advertised prices, monthly lease payments, cash-due-at-signing amounts, and finance figures include the $595 dealer documentation fee. No additional documentation fee will be added at the time of sale. Tax, title, license, and registration extra.

  2. Offer 02 Yukon XL — $959/mo for 36 months — 2026 GMC Yukon XL 4WD Elevation

    National GMC Lease Offer. Ultra Low-Mileage Lease for Well-Qualified Lessees. $959 per month for 36 months. $10,489 due at signing (after all offers). $0 security deposit. 30,000-mile total mileage allowance; mileage charge of $0.25/mile over 30,000 miles at participating dealers. Lessor must approve lease. Payments may be higher in some states. Not all customers will qualify. Take new retail delivery by 9/30/26. All advertised prices, monthly lease payments, cash-due-at-signing amounts, and finance figures include the $595 dealer documentation fee. No additional documentation fee will be added at the time of sale. Tax, title, license, and registration extra.

2026 GMC Sierra EV

  1. Offer 01 $599/mo for 24 months — 2026 GMC Sierra EV 4WD Elevation

    National GMC Lease Offer. Ultra Low-Mileage Lease for Well-Qualified Lessees. $599 per month for 24 months. $10,489 due at signing (after all offers). $0 security deposit. 20,000-mile total mileage allowance; mileage charge of $0.25/mile over 20,000 miles at participating dealers. Lessor must approve lease. Payments may be higher in some states. Not all customers will qualify. Take new retail delivery by 9/30/26. All advertised prices, monthly lease payments, cash-due-at-signing amounts, and finance figures include the $595 dealer documentation fee. No additional documentation fee will be added at the time of sale. Tax, title, license, and registration extra.

2026 GMC HUMMER EV

  1. Offer 01 0.9% APR on Pickup and SUV — 2026 GMC HUMMER EV Pickup and HUMMER EV SUV

    0.9% APR for well-qualified buyers when you finance through GM Financial. HUMMER EV is available from a GMC EV dealer. Length of contract 36 months. Monthly payment is $28.16 for every $1,000 you finance. Average example down payment is 9.2%. Must finance through GM Financial. Some customers may not qualify. Not available with lease and some other offers. Take new retail delivery by 9/30/26. All advertised prices, monthly lease payments, cash-due-at-signing amounts, and finance figures include the $595 dealer documentation fee. No additional documentation fee will be added at the time of sale. Tax, title, license, and registration extra.

  2. Offer 02 Pickup — $999/mo for 24 months — 2026 GMC HUMMER EV Pickup e4WD 2X

    National GMC Lease Offer. Ultra Low-Mileage Lease for Well-Qualified Lessees. $999 per month for 24 months. $14,669 due at signing (after all offers). $0 security deposit. 20,000-mile total mileage allowance; mileage charge of $0.25/mile over 20,000 miles at participating dealers. Lessor must approve lease. Not all customers will qualify. Take new retail delivery by 9/30/26. All advertised prices, monthly lease payments, cash-due-at-signing amounts, and finance figures include the $595 dealer documentation fee. No additional documentation fee will be added at the time of sale. Tax, title, license, and registration extra.

  3. Offer 03 SUV — $1,019/mo for 24 months — 2026 GMC HUMMER EV SUV e4WD 2X

    National GMC Lease Offer. Ultra Low-Mileage Lease for Well-Qualified Lessees. $1,019 per month for 24 months. $18,909 due at signing (after all offers). $0 security deposit. 20,000-mile total mileage allowance; mileage charge of $0.25/mile over 20,000 miles at participating dealers. Lessor must approve lease. Not all customers will qualify. Take new retail delivery by 9/30/26. All advertised prices, monthly lease payments, cash-due-at-signing amounts, and finance figures include the $595 dealer documentation fee. No additional documentation fee will be added at the time of sale. Tax, title, license, and registration extra.

Military & First Responder Programs

  1. Offer 01 Military Appreciation — $1,000

    $1,000 total cash allowance ($500 GM Military Offer + $500 GMC Military Bonus Cash) for eligible active-duty, reservists, retirees, veterans within 1 year of separation, and eligible spouses with documentation. $500 GM First Responder Bonus for active police, EMT, firefighters, and 911 dispatchers with documentation. Stackable with most public retail offers. All advertised prices, monthly lease payments, cash-due-at-signing amounts, and finance figures include the $595 dealer documentation fee. No additional documentation fee will be added at the time of sale. Tax, title, license, and registration extra.

  2. Offer 02 First Responder Bonus — $500

    $1,000 total cash allowance ($500 GM Military Offer + $500 GMC Military Bonus Cash) for eligible active-duty, reservists, retirees, veterans within 1 year of separation, and eligible spouses with documentation. $500 GM First Responder Bonus for active police, EMT, firefighters, and 911 dispatchers with documentation. Stackable with most public retail offers. All advertised prices, monthly lease payments, cash-due-at-signing amounts, and finance figures include the $595 dealer documentation fee. No additional documentation fee will be added at the time of sale. Tax, title, license, and registration extra.