2027 GMC Sierra 1500 at Greater Lowell Buick GMC

Pro establishes the working foundation with the 350-hp TurboMax® engine, 10-speed automatic transmission, Trailering Package, Adaptive Cruise Control, 16.3-inch Premium GMC Infotainment System, 12.2-inch Driver Information Center, and HD Rear Vision Camera. Elevation adds a 10-way power driver seat, heated front seats, heated steering wheel, dual wireless charging, MultiPro® Center Console, and an enhanced MultiPro® Tailgate with additional tie-downs. AT4 combines a 5.7L V8 with a 2-inch factory lift, monotube shocks, 34-inch all-terrain tires, auto-locking rear differential, and standard Super Cruise®. AT4X moves further off-road with the 3.0L Duramax® Turbo-Diesel, Multimatic® DSSV and Jounce Control dampers, front and rear electronic-locking differentials, 35-inch mud-terrain tires, Baja Mode, and underbody cameras. Denali pairs its 5.7L V8 with Adaptive Ride Control, 12-way heated and ventilated front seats, a 15-inch Head-Up Display, panoramic sunroof, and 20-inch wheels. Denali Ultimate receives the 6.6L V8, 14-way heated, ventilated, and massaging front seats, 16-speaker Bose® Premium Series audio, an 11.5-inch passenger display, and 22-inch wheels.

The enhanced TurboMax® produces 350 hp and 455 lbs. ft. of torque. The new 5.7L V8 develops 402 hp and 428 lbs. ft. of torque, while the naturally aspirated 6.6L V8 produces 481 hp and 501 lbs. ft. of torque. The available 3.0L Duramax® Turbo-Diesel develops 305 hp and 495 lbs. ft. of torque. Every engine is paired with a 10-speed automatic transmission. Performance Properly configured, the 5.7L V8 can tow up to 13,500 lbs., while the Duramax® Turbo-Diesel supports up to 12,100 lbs. Maximum payload reaches 2,320 lbs. in select configurations. Up to 6 available drive modes adapt vehicle responses to changing conditions, while AT4X adds exclusive Baja Mode alongside its 2-inch lift, Multimatic® dampers, locking differentials, and 35-inch mud-terrain tires.

Crew Cab configurations accommodate up to 6 passengers and provide 44.37 inches of front legroom. Short-bed models offer 62.9 cu. ft. of bed volume, the standard bed increases that to 71.7 cu. ft., and Regular Cab long-bed configurations provide 89.1 cu. ft. Denali and Denali Ultimate introduce increasingly premium materials, ventilated seating, massage functionality, and panoramic sunroofs.

A 16.3-inch infotainment display and 12.2-inch Driver Information Center anchor the cabin. Available equipment includes a 15-inch Head-Up Display, 11.5-inch passenger touchscreen, 8.5-inch Rear Camera Mirror, and up to 19 camera views for maneuvering, hitching, trailering, and off-road driving. Super Cruise® supports hands-free driving on compatible roads, including trailering on equipped models.

GMC Pro Safety includes Intersection Automatic Emergency Braking, Rear Pedestrian Alert, Reverse Automatic Braking, IntelliBeam®, Forward Collision Alert, and Safety Alert Seat. Available Lane Keep Assist with Lane Departure Warning, Blind Zone Steering Assist, HD Surround Vision, Blind Zone Steering Assist with Trailering, Driver Attention Assist, and Traffic Sign Recognition provide additional support around Lowell and beyond.