2021 GMC Sierra
3GTN8AEH3MG103160
This vehicle is no longer listed. The figures below describe the market for this build.
Last listed by Family Trucks & Vans, Inc
This VIN is no longer listed by this dealer. They may still have a similar vehicle — ask.
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2021 GMC Sierra
VIN 3GTN8AEH3MG103160
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2021 GMC Sierra for sale near DenverCO
1 cheaper within 50 miles
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50 miles around Denver
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Price history for this VIN
Price increased $499 (+2.8%) over 50 days.
Asking prices recorded across 3 listing dates for VIN 3GTN8AEH3MG103160, spanning 50 days.
Listings
Full listing history on VehiSales →No active listings of this exact VIN right now.
Former listings
| Dealer | Location | Price | Mileage | Listed | Seen |
|---|---|---|---|---|---|
| Family Trucks & Vans, Inc. | Denver, CO 80210 | $18,387 | 85,192 mi | 2026-08-20 | 8 d ago |
| Family Trucks and Vans | Denver, CO 80210 | $19,988 | 85,192 mi | 2026-08-20 | 8 d ago |
Decoded from the VIN
NHTSA build data for 3GTN8AEH3MG103160Full 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 $1,360 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 | $35,999 |
| September 2026 | $36,300 |
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 | — |
| 2022 Ford F-150 | $31,673 | 37 | — |
| 2019 Ram 1500 | $26,492 | 22 | — |
| 2019 Chevrolet Silverado | $28,844 | 20 | — |
| 2023 Jeep Gladiator | $29,398 | 10 | — |
| 2023 Toyota Tundra | $40,990 | 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 | 4,175 | $36,594 | 100% | 84,257 mi |
| 2020 | 3,062 | $35,899 | 98% | 93,500 mi |
| 2019 | 1,932 | $31,791 | 87% | 97,747 mi |
Units for sale — listings of each model year in the latest nightly market snapshot.
