2021 GMC Sierra
3GTP8AEF6MG180273
This vehicle is no longer listed. The figures below describe the market for this build.
Price history for this VIN
Asking price over time
Asking prices recorded across 6 listing dates for VIN 3GTP8AEF6MG180273, spanning 2 years 4 months.
Listings
Full listing history on VehiSales →No active listings of this exact VIN right now.
Former listings
| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| Sterling CDJR Pre-Owned | Opelousas, LA 70570 | $21,900 | 105,583 mi | 2026-08-06 |
| Sterling Buick GMC | Opelousas, LA 70570 | $22,384 | 105,583 mi | 2026-07-19 |
| Sterling Chrysler Dodge Jeep Ram Pre Owned | Opelousas, LA 70570 | $21,900 | 105,583 mi | 2026-07-16 |
| Don Shetler Buick Chevrolet | Crowley, LA 70526 | $29,990 | 57,732 mi | 2024-04-11 |
Estimate the monthly payment at the typical market price ($21,900)
This vehicle is no longer listed, so the estimate starts from $21,900 — 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 3GTP8AEF6MG180273Full 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.
Pull the original window sticker →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 | — |
| 2023 Ford F-150 | $36,970 | 25 | — |
| 2023 Toyota Tundra | $35,877 | 9 | — |
| 2020 Jeep Gladiator | $31,494 | 8 | — |
| 2021 Chevrolet Silverado | $29,750 | 7 | — |
| 2022 Ram 1500 | $35,374 | 7 | — |
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.