2021 GMC Sierra
3GTP8AEF6MG121563
This vehicle is no longer listed. The figures below describe the market for this build.
Price history for this VIN
Asking prices recorded across 4 listing dates for VIN 3GTP8AEF6MG121563, spanning 5 days.
Listings
Full listing history on VehiSales →No active listings of this exact VIN right now.
Former listings
| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| Hobson Chevrolet Buick | Cairo, GA 39828 | $25,718 | 102,159 mi | 2026-03-16 |
| Hobson Chevrolet | Cairo, GA 39828 | $25,718 | 102,159 mi | 2026-03-13 |
Estimate the monthly payment at the typical market price ($25,718)
This vehicle is no longer listed, so the estimate starts from $25,718 — 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 3GTP8AEF6MG121563Full factory specs for this build →
- ✗ Backup camera
- ✗ Blind-spot monitor
- ✗ Lane departure
- ✗ ABS
- ✗ Electronic stability
Rebuild the original window sticker for this VIN — packages, standard equipment and the sticker price the seller left out of the ad.
Get the original window sticker for this VIN →Fuel economy (EPA)
Assumes 15,000 miles a year at $3.10/gallon and 26 MPG combined.
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 GMC Sierra over the last 6 months — the market held steady .
Monthly price table
| Month | Typical price |
|---|---|
| March 2026 | $35,999 |
| April 2026 | $34,940 |
| May 2026 | $36,867 |
| June 2026 | $36,500 |
| July 2026 | $36,991 |
| August 2026 | $35,999 |
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 (this car) | — | 0 | — |
| 2020 Ram 1500 | $27,787 | 3 | — |
| 2021 Ford F-150 | $30,690 | 2 | — |
| 2023 Ford F-250 | $39,771 | 2 | — |
Cheapest active listings of each comparable body style in this region — median of what those models actually ask.
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 | 4,015 | $36,804 | 100% | 84,186 mi |
| 2020 | 2,973 | $35,760 | 97% | 93,794 mi |
| 2019 | 1,624 | $31,778 | 86% | 98,353 mi |
Units for sale — listings of each model year in the latest nightly market snapshot.
