2021 GMC Yukon XL 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 / 30
This vehicle may no longer be available — it was marked sold on Sep 30, 2026.
$51,590
Used
On the market 235 days
Sienna Motors
2891 N Federal Hwy, Lighthouse Point, FL
Stock #266659S
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
- Yukon XL
- Trim
- AT4
- Body style
- SUV
- Mileage
- 59,648 mi
- Engine
- 5.3L V8
- Horsepower
- 355 hp
- Torque
- 383 lb-ft
- Cylinders
- 8
- Transmission
- Automatic
- Drivetrain
- 4WD
- Fuel
- Gasoline
- MPG (city / hwy)
- 15 / 19
- Doors
- 4
- Seats
- 8
- Exterior color
- Black
- Interior color
- Black
- MSRP
- $49,900
- VIN
- 1GKS2HKD4MR266659
Price history
| Date | Listed price |
|---|---|
| Oct 10, 2026 | $51,590 ↑ |
| Sep 25, 2026 | $49,690 |
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