2026 GMC Sierra 1500 Overview

Do you need a truck that works as hard as you do? The 2026 GMC Sierra 1500 could be exactly what you require! Available in several distinct trim levels, this truck offers unique features to drivers in Bettendorf and beyond.

Take a moment to check out our overview below, then browse our inventory to find your preferred new GMC Sierra 1500 for sale in Davenport. The team at Green Buick GMC is here to answer any questions you have!

2026 GMC Sierra 1500 MPG & Efficiency

This light-duty pickup truck offers impressive fuel economy numbers, allowing you to do more in Moline without constant stops at the pump. (Want to get the most out of every gallon? Check our tips on how to improve gas mileage.)

Here is the breakdown of the 2026 GMC Sierra 1500 MPG ratings by trim and drivetrain:

• Pro (2WD/4WD): 18/17 city • 21/19 highway
• SLE (2WD/4WD): 18/17 city • 21/19 highway
• Elevation (2WD/4WD): 18/17 city • 21/19 highway
• SLT (4WD): 15 city • 19 highway
• AT4 (4WD Diesel): 22 city • 26 highway (Efficiency Leader)
• AT4X (4WD): 19 city • 20 highway
• Denali (2WD/4WD): 16/15 city • 20/19 highway
• Denali Ultimate (4WD): 15 city • 19 highway

Standard Features by Sierra 1500 Trim Level

Each 2026 GMC Sierra 1500 includes standard features that make every drive in Rock Island safer and more convenient. However, features vary significantly by trim. Here is what you can expect:

Sierra Pro (Work Ready)

• 12 cargo tie-downs & 12V front power outlet
• CornerStep rear bumper
• GMC Pro Safety suite

SLE & Elevation (Connected & Bold)

• Tech: 13.4-inch diagonal multicolor touchscreen & 12.3-inch Driver Information Center
• Comfort: Heated steering wheel, heated driver seat, and dual-zone climate control
• Style (Elevation): 20-inch gloss-black painted aluminum wheels, LED fog lamps, and monochromatic exterior

SLT (Premium Comfort)

• 10-way power front outboard seats with power lumbar
• Perforated leather-appointed front seating
• High-definition Rear Vision Camera

AT4 & AT4X (Off-Road Dominance)

• AT4: 2-inch factory lift, off-road suspension with Rancho® monotube shocks, and 2-speed Autotrac® transfer case.
• AT4X: Multimatic® DSSV dampers, front/rear electronic locking differentials, and Obsidian Rush interior with full-grain leather.
• Available AEV Edition: AEV stamped steel front bumper with winch capability and boron steel skid plates.

Denali & Denali Ultimate (The Pinnacle of Luxury)

• Denali: Signature chrome grille, authentic wood trim, and Forge perforated-leather seating.
• Denali Ultimate: Vader Chrome grille, 22-inch Ultra-Bright machined wheels, and Alpine Umber interior.

Protect Your GMC Investment

Whether you choose the rugged AT4 or the luxurious Denali, keeping your truck in top shape is key. We recommend following the factory GMC maintenance schedule.

For added peace of mind on the job site, consider adding a GMC Protection Plan to cover unexpected repairs beyond the standard warranty.

Test-Drive the 2026 Sierra 1500 in Davenport

Do you have more questions about the Graphite Edition or the Super Cruise technology? Let us help! Contact Green Buick GMC at (563) 513-2238 to make an appointment.

Ready to upgrade? You can value your trade online and apply for financing before you even visit the showroom. (Budget-minded? Check out our used Sierra 1500 inventory).

Don’t just take our word for it—read our customer testimonials and follow us on Facebook for the latest Quad Cities community news!