2021 GMC Sierra HD SLE LB
1GT39ME77MF202773
This vehicle is no longer listed. The figures below describe the market for this build.
Market price range
Based on 13 comparable same-build listings · Market data as of September 1, 2026Listings
Full listing history on VehiSales →No active listings of this exact VIN right now.
Former listings
| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| Rob Green Buick GMC | Twin Falls, ID 83301 | $48,795 | — | 2021-02-19 |
Estimate the monthly payment at the typical market price ($40,280)
This vehicle is no longer listed, so the estimate starts from $40,280 — the typical market price for this build. Move the numbers to match your own loan.
Estimate only. Excludes tax, title, registration and dealer fees, and assumes a fixed-rate loan with equal monthly payments. Your actual rate depends on your credit and lender.
Decoded from the VIN
NHTSA build data for 1GT39ME77MF202773Full factory specs for this build →
- ✗ Backup camera
- ✗ Blind-spot monitor
- ✗ Lane departure
- ✗ ABS
- ✗ Electronic stability
GMC
Window sticker on file for this VIN
The original window sticker for this Sierra
Factory equipment, the options actually installed and the price this car left the line with — the same document that hung on the glass in the showroom.
Open the sticker — $4
3 for $9
Opens on VehiLeaks · PDF right after checkout
Where the price is heading
Typical asking price for a 2021 GMC Sierra HD over the last 6 months — the market firmed $338 in that span.
Monthly price table
| Month | Typical price |
|---|---|
| March 2026 | $51,933 |
| April 2026 | $52,434 |
| May 2026 | $52,044 |
| June 2026 | $50,866 |
| July 2026 | $51,790 |
| August 2026 | $52,271 |
How it compares to rivals
Median asking price for comparable body styles listed near this car| Model | Median price | For sale nearby | vs this car |
|---|---|---|---|
| 2021 GMC Sierra HD SLE LB (this car) | $40,280 | 13 | — |
| 2023 Ford F-150 | $33,598 | 35 | −$6,682 |
| 2021 Chevrolet Silverado | $34,943 | 17 | −$5,337 |
| 2022 Ram 1500 | $29,415 | 15 | −$10,865 |
| 2021 GMC Sierra | $40,573 | 12 | +$293 |
| 2022 Ram 2500 | $42,223 | 9 | +$1,943 |
Cheapest active listings of each comparable body style in this region — median of what those models actually ask.
Market by model year
What each model year costs right now — live supply, median asking price and how much value each year keeps versus the newest one.
| Year | Units for sale | Median price | vs newest | Avg mileage |
|---|---|---|---|---|
| 2026 | 152 | $86,846 | 100% | — |
| 2024 | 24 | $68,586 | 79% | 36,966 mi |
Units for sale — listings of each model year in the latest nightly market snapshot.
