2020 GMC Sierra 3500HD SLT
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 / 29
$51,138
UsedBelow MSRP
$2,363 below the MSRP of $53,501
On the market 142 days
Al Piemonte Buick GMC
364 W Grand Ave, Elmhurst, IL
Stock #P6109
CarBuyingTips does not sell cars. Listings come from dealer inventory feeds and prices change often — always confirm with the seller.
Specifications
- Year
- 2020
- Make
- GMC
- Model
- Sierra 3500HD
- Trim
- SLT
- Body style
- Truck
- Mileage
- 69,265 mi
- Engine
- 6.6L 8-cylinder
- Cylinders
- 8
- Transmission
- Automatic
- Drivetrain
- 4WD
- Fuel
- Diesel
- Doors
- 4
- Exterior color
- Brown
- Interior color
- Brown
- MSRP
- $53,501
- VIN
- 1GT49UEY2LF136855
Price history
| Date | Listed price |
|---|---|
| Sep 4, 2026 | $51,138 ↓ |
| Aug 21, 2026 | $51,163 ↑ |
| Aug 13, 2026 | $50,800 ↓ |
| Aug 12, 2026 | $51,213 |
| Aug 12, 2026 | $51,213 ↑ |
| Aug 2, 2026 | $50,950 ↓ |
| Aug 1, 2026 | $51,363 |
| Aug 1, 2026 | $51,363 |
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