2021 GMC Sierra 1500 AT4
CarBuyingTips Insights
Before you make an offer
Dealer cost — not sticker — is the number that matters. Our free spreadsheet works it out for you in about ten minutes.
Calculate true dealer cost
1 / 22
$36,299$37,994
CertifiedPrice drop
On the market 147 days
Sid Dillon Buick GMC - Fremont
2420 E 23rd St, Fremont, NE
Stock #2U27715
CarBuyingTips does not sell cars. Listings come from dealer inventory feeds and prices change often — always confirm with the seller.
Specifications
- Year
- 2021
- Make
- GMC
- Model
- Sierra 1500
- Trim
- AT4
- Body style
- Truck
- Mileage
- 96,621 mi
- Engine
- 6.2L 8-cylinder
- Cylinders
- 8
- Transmission
- Automatic
- Drivetrain
- 4WD
- Fuel
- Gasoline
- MPG (city / hwy)
- 15 / 19
- Doors
- 4
- Exterior color
- Red
- Interior color
- Black
- VIN
- 1GTP9EEL3MZ126259
Price history
| Date | Listed price |
|---|---|
| Sep 5, 2026 | $36,299 ↓ |
| Aug 21, 2026 | $36,598 ↓ |
| Jul 13, 2026 | $37,994 ↑ |
| Jul 6, 2026 | $37,695 ↓ |
| Jul 3, 2026 | $37,994 ↑ |
| Jun 28, 2026 | $37,794 ↑ |
| May 26, 2026 | $37,138 |
| May 22, 2026 | $37,138 |
Before you buy this GMC
- Get the VIN checked before you go. A clean history report is the cheapest insurance you can buy. Vehicle history reports
- Arrange your own financing first so the finance office has to beat a rate, not set one. Car loan guide
- Know the 10 dealer scams that happen after you agree on price. Top 10 dealer scams
- Never discuss a trade-in until the purchase price is locked. Trade-in tips