2026 GMC Sierra 1500 Eight Trims. Four Engines. All Sierra.

The 2026 GMC Sierra 1500 starts at $38,300 for the Pro trim. Pricing across the lineup: SLE from $48,700, Elevation from $53,295, SLT from $54,900, Denali from $65,900, AT4 from $66,800, AT4X from $79,400, and Denali Ultimate from $84,200. Prices exclude destination freight, tax, title, registration, and dealer documentation fee.

The 2026 Sierra 1500 offers three cab styles: Crew Cab (available on all trims, 43.4 inches of rear legroom), Double Cab (Pro, SLE, and Elevation only), and Regular Cab (Pro only). Three bed lengths are available: short bed (5' 10"), standard bed (6' 8"), and long bed (8' 2"). Not every cab/bed/trim combination is available -- the Crew Cab pairs with short or standard beds, the Double Cab uses the standard bed, and the Regular Cab uses the standard or long bed. Marty's GMC can confirm a specific configuration for any trim.

Up to 13,300 lbs when properly equipped with the 3.0L Duramax Diesel and Max Trailering Package -- the highest figure in the Sierra lineup. Gasoline V8 configurations tow up to 13,000 lbs. The 5.3L EcoTec3 V8 tows up to 11,200 lbs, and the 2.7L TurboMax inline-four tows up to 9,500 lbs. Maximum payload reaches up to 2,230 lbs in Regular Cab Pro long-bed configurations. See the full ProGrade Trailering tech →

Four powertrains: 2.7L TurboMax inline-four (310 HP / 430 lb-ft), 5.3L EcoTec3 V8 (355 HP / 383 lb-ft), 6.2L EcoTec3 V8 (420 HP / 460 lb-ft), and 3.0L Duramax inline-six turbodiesel (305 HP / 495 lb-ft). The 2.7L is standard on Pro/SLE/Elevation, the 5.3L is standard on SLT/AT4/Denali, and the 6.2L is standard on Denali Ultimate and AT4X. The Duramax is available across nearly the entire lineup. Best fuel economy: the 3.0L Duramax delivers up to 23 city / 29 hwy MPG in 2WD Crew Cab configurations. Compare engines →

The MultiPro Tailgate is GMC's signature six-function tailgate, standard on Sierra 1500 SLT and above. Six positions: Primary Gate, Primary Gate with Load Stop, Inner Gate Load Stop, Full-Width Step (with 375-lb capacity grab handle), Easy-Access Setup, and Work Surface. An available MultiPro Audio System by Kicker turns the tailgate into a powered speaker for tailgating. Try the interactive demo →

Yes. Super Cruise is GM's hands-free advanced driver-assist that works on more than 750,000 miles of compatible roads in the U.S. and Canada -- including I-93, I-95, I-495, and Route 3 around the South Shore. It includes automatic lane change, lane change on demand, and trailering support. Available on Denali, Denali Ultimate, AT4, and AT4X. Three years of Super Cruise service is included with eligible new vehicles. Driver attention is monitored continuously by an IR camera in the steering column.

The AT4 is a capable factory off-road trim -- 2-inch lift, all-terrain tires, skid plates, hill descent control, and a rear locker -- starting at $66,800. The AT4X is the off-road halo: it adds Multimatic DSSV spool-valve dampers (the same supplier as Corvette Z06), front and rear electronic locking differentials, 33-inch mud-terrain tires, AT4X-exclusive interior in full-grain leather, and the standard 6.2L EcoTec3 V8. AT4X starts at $79,400.

Denali Ultimate is the Sierra flagship: standard 6.2L EcoTec3 V8 (420 HP), standard Super Cruise, standard MultiPro Tailgate, standard 22-inch wheels, panoramic sunroof, full-grain Alpine Umber or Vader Chrome leather, real open-pore wood, the available CarbonPro carbon-fiber composite bed, the 13.4" Premium GMC Infotainment System with Google built-in, the 12.3" Driver Information Center, and the 15" Multicolor Head-Up Display.

CarbonPro is GMC's available carbon-fiber composite cargo bed offered on Denali Ultimate and AT4X. Lighter than steel and more dent-, scratch-, and corrosion-resistant. The same composite technology used in aerospace and racing applications, adapted for hauling.

Every 2026 Sierra 1500 trim includes the standard GMC Pro Safety package: Forward Collision Alert, Front Pedestrian Braking, Automatic Emergency Braking, Forward Distance Indicator, Lane Keep Assist with Lane Departure Warning, Following Distance Indicator, IntelliBeam high beams, and OnStar Automatic Crash Response. The available GMC Pro Safety Plus package (SLE and above) adds Rear Cross Traffic Alert, Lane Change Alert with Side Blind Zone Alert, Safety Alert Seat, and Rear Park Assist.

Nine factory paint options for 2026: Summit White (no-cost, all trims), Onyx Black, Sterling Metallic, Cardinal Red, Titanium Rush Metallic, Volcanic Red Tintcoat ($645 -- SLT, AT4, AT4X), Coastal Dune ($495 -- new for 2026, available on Pro, Elevation, AT4, AT4X, Denali, Denali Ultimate), Glacier White Tricoat ($1,095 -- new for 2026, available on SLT, Denali, Denali Ultimate), and Downpour Metallic (Denali and Denali Ultimate). Not every color is offered on every trim. Spin each trim →

Every new 2026 Sierra 1500 includes a 3-year/36,000-mile bumper-to-bumper limited warranty (whichever comes first), a 5-year/60,000-mile powertrain limited warranty, and a 5-year/60,000-mile roadside assistance and courtesy transportation program. Vehicles equipped with the 3.0L Duramax Diesel get an extended 5-year/100,000-mile diesel powertrain warranty. Marty's GMC service uses ASE-certified technicians and full GMC diagnostic equipment.

Through April 30, 2026, qualified buyers can take 0% APR for 60 months on select 2026 Sierra 1500 configurations through GM Financial. The headline program is a Total Value of up to $11,549 on the 2026 Sierra 1500 Elevation TurboMax -- approximately 20% below MSRP. Conquest and loyalty cash are available for current owners or lessees of competing or GM brands. Call (781) 936-0081 for full eligibility on your trim and configuration. See current offers →