2021 GMC Sierra Denali
1GT49REY0MF118305
This vehicle is no longer listed. The figures below describe the market for this build.
Market price range
Based on 169 comparable same-build listings · Market data as of September 10, 2026Love this car? See what else is out there.
2021 GMC Sierra Denali for sale near you
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Listings
Full listing history on VehiSales →No active listings of this exact VIN right now.
Decoded from the VIN
NHTSA build data for 1GT49REY0MF118305- ✗ Backup camera
- ✗ Blind-spot monitor
- ✗ Lane departure
- ✗ ABS
- ✗ Electronic stability
Fuel economy (EPA)
Assumes 15,000 miles a year at $3.10/gallon and 26 MPG combined.
5-year cost to own
Beyond the sticker: what this 2021 GMC Sierra likely costs over five years at 15,000 mi/yr.
Estimate — insurance and taxes vary by driver and state.
Model-level data for the 2021 GMC Sierra from EPA fueleconomy.gov, refreshed August 27, 2026.
Where the price is heading
Typical asking price for a 2021 GMC Sierra over the last 6 months — the market firmed $1,055 in that span.
Monthly price table
| Month | Typical price |
|---|---|
| April 2026 | $34,940 |
| May 2026 | $36,867 |
| June 2026 | $36,500 |
| July 2026 | $36,990 |
| August 2026 | $36,030 |
| September 2026 | $35,995 |
Market by model year
Gen 4 · 2019–2021What 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 |
|---|---|---|---|---|
| 2021 | 3,905 | $36,645 | 100% | 83,881 mi |
| 2020 | 2,882 | $35,936 | 98% | 93,239 mi |
| 2019 | 1,880 | $31,579 | 86% | 97,776 mi |
Units for sale — listings of each model year in the latest nightly market snapshot.
