2021 GMC Sierra HD Fleet Base
1GT08LE79MF281217
This vehicle is no longer listed. The figures below describe the market for this build.
Market price range
Based on 7 comparable same-build listings · Market data as of September 3, 2026Listings
Full listing history on VehiSales →No active listings of this exact VIN right now.
Estimate the monthly payment at the typical market price ($30,990)
This vehicle is no longer listed, so the estimate starts from $30,990 — 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 1GT08LE79MF281217Full factory specs for this build →
- ✗ Backup camera
- ✗ Blind-spot monitor
- ✗ Lane departure
- ✗ ABS
- ✗ Electronic stability
Where the price is heading
Typical asking price for a 2021 GMC Sierra HD over the last 6 months — the market firmed $956 in that span.
Monthly price table
| Month | Typical price |
|---|---|
| April 2026 | $52,434 |
| May 2026 | $52,022 |
| June 2026 | $50,866 |
| July 2026 | $51,693 |
| August 2026 | $52,062 |
| September 2026 | $53,390 |
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 | 231 | $87,887 | 100% | — |
| 2024 | 15 | $69,000 | 79% | 43,223 mi |
Units for sale — listings of each model year in the latest nightly market snapshot.
