2026 GMC Sierra 1500: Trim Level Breakdown from Gillman Chevrolet GMC

2026 GMC Sierra 1500 Denali 

If you're in the market for a new full-size pickup, our 2026 GMC Sierra 1500 trims are must-drives. These exceptional trucks boast class-leading standard engine torque, best-in-class head- and legroom, and class-exclusive off-roading features. An incredible eight trims await at Gillman Chevrolet GMC.

Powertrains

Depending on your selected trim, you'll have one or more of the following engines to consider:

  • 7-liter turbocharged four-cylinder TurboMax™ engine that achieves 310 horsepower and a best-in-class 430 lb-ft of standard torque.
  • 3-liter V8 capable of 355 horsepower and 383 lb-ft of torque.
  • 2-liter V8 engine rated at 420 horsepower and 460 lb-ft of torque.
  • Class-exclusive 3.0-liter Duramax® Turbo-Diesel engine that outputs 305 horsepower and 495 lb-ft of torque.

2026 GMC Sierra 1500 Pro

This entry-level trim offers 17-inch steel wheels, wireless Apple CarPlay® and Android Auto™ connectivity, and a Frontal Collision Mitigation system.

2026 GMC Sierra 1500 SLE

This trim gets all of the entry level's trims amenities and adds highlights such as 17-inch alloy wheels, the GMC MultiPro Tailgate™, and a 13.4-inch touchscreen.

2026 GMC Sierra 1500 Elevation

The 2026 GMC Sierra 1500 Elevation is similarly equipped to the previous trim, but introduces two significant upgrades: 20-inch wheels and LED fog lights.

2026 GMC Sierra 1500 SLT

This midrange trim increases the luxury quotient. Standard features include leather upholstery, heated and power-folding mirrors, and power front seats.

2026 GMC Sierra 1500 AT4

Keen on off-roading? Join a San Benito, TX GMC dealer to test drive this all-terrain-ready trim. It teems with rugged features, including skid plates, all-terrain tires, and an upgraded suspension with a 2-inch lift.

2026 GMC Sierra 1500 AT4X

This incredibly capable trim builds on the "other" AT4 by adding high-tech features such as a bed-view camera, a Head-up Display, and electronic front and rear locking differentials.

2026 GMC Sierra 1500 Denali

This trim is full-on luxury. A sampling of its upgrades includes an adaptive suspension for enhanced comfort and handling, ventilated front seats, and a Bose® sound system.

2026 GMC Sierra 1500 Denali Ultimate

You've reached the top of the mountain. This range-topping trim's opulent trappings include Super Cruise®, 22-inch wheels, and a carbon-fiber composite bed.

Drive Our GMC Sierra 1500 Trims in San Benito, TX

The 2026 GMC Sierra 1500 and its eight-trim lineup comprise one of the country's best trucks. Take the first step towards ownership by getting prequalified online for Chevy financing and visiting Gillman Chevrolet GMC for a test drive.


The manufacturer's rebate is subject to a residency restriction. A customer not meeting the residency restriction will receive a dealer discount in the same amount as the manufacturer's rebate.