New GMC Sierra 1500 At4 for Sale
356 resultsCompare current new gmc sierra 1500 at4 for sale by price, mileage, location, and dealer details.
2026 GMC Sierra 1500 AT4
2026 GMC Sierra 1500 AT4
2026 GMC Sierra 1500 AT4
2026 GMC Sierra 1500 AT4
2026 GMC Sierra 1500 AT4
2026 GMC Sierra 1500 AT4
2026 GMC Sierra 1500 AT4
2026 GMC Sierra 1500 AT4
2026 GMC Sierra 1500 AT4
2026 GMC Sierra 1500 AT4
2026 GMC Sierra 1500 AT4
2026 GMC Sierra 1500 AT4
2026 GMC Sierra 1500 AT4
2026 GMC Sierra 1500 AT4
2026 GMC Sierra 1500 AT4
2026 GMC Sierra 1500 AT4
2026 GMC Sierra 1500 AT4
2026 GMC Sierra 1500 AT4
2026 GMC Sierra 1500 AT4
2026 GMC Sierra 1500 AT4
2026 GMC Sierra 1500 AT4
2026 GMC Sierra 1500 AT4
2026 GMC Sierra 1500 AT4
2026 GMC Sierra 1500 AT4
Model and trim guide
About the GMC Sierra 1500 At4 trim
Dealers use the At4 trim name for these GMC Sierra 1500 listings. Equipment can differ by model year and options, so check each listing and window sticker before comparing vehicles.
There are currently 356 matching vehicles.
- Current matches
- 356
- Approved dealer listings
- Advertised prices
- $63,560 - $79,549
- Current listed price range
- Model years
- 2025 - 2026
- Years in current inventory
- Reported mileage
- 0 mi - 490 mi
- Odometer range where provided
- Condition mix
- 356 new
- Current listing counts
What to compare
Price and dealer terms
Advertised prices may not include taxes, registration, add-ons or dealer fees. Confirm the final price with the dealer.
Year, mileage, and condition
Compare model year, reported mileage, photos, condition details and history information for each vehicle.
Trim and installed equipment
A trim name does not guarantee that two vehicles have the same equipment. Check the drivetrain, packages, options and accessories on the dealer page or window sticker.
Compare the full model
See every current GMC Sierra 1500 listing, including other trims.
Browse all GMC Sierra 1500 inventory →