2021 GMC Sierra
3GTP8AEK2MG313706
This vehicle is no longer listed. The figures below describe the market for this build.
Price history for this VIN
Price increased $10,000 (+37.0%) over 9 months.
Asking prices recorded across 2 listing dates for VIN 3GTP8AEK2MG313706, spanning 9 months.
Listings
Full listing history on VehiSales →No active listings of this exact VIN right now.
Former listings
| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| Family Auto | Haltom City, TX 76117 | $36,995 | 83,319 mi | 2025-07-01 |
| Trapp Chevrolet | Houma, LA 70360 | $26,995 | 82,622 mi | 2024-10-02 |
Estimate the monthly payment at the typical market price ($36,995)
This vehicle is no longer listed, so the estimate starts from $36,995 — 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 3GTP8AEK2MG313706Full factory specs for this build →
- ✗ 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.
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 firmed $857 in that span.
Monthly price table
| Month | Typical price |
|---|---|
| April 2026 | $34,940 |
| May 2026 | $36,867 |
| June 2026 | $36,500 |
| July 2026 | $36,991 |
| August 2026 | $36,089 |
| September 2026 | $35,797 |
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 | — |
| 2023 Ford F-150 | $35,725 | 27 | — |
| 2022 Ram 1500 | $28,799 | 23 | — |
| 2023 Toyota Tacoma | $33,107 | 16 | — |
| 2023 Chevrolet Silverado | $32,998 | 15 | — |
| 2022 Ford F-250 | $43,496 | 10 | — |
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 | 4,454 | $36,686 | 100% | 84,208 mi |
| 2020 | 3,096 | $35,738 | 97% | 94,011 mi |
| 2019 | 1,823 | $31,826 | 87% | 97,985 mi |
Units for sale — listings of each model year in the latest nightly market snapshot.
