2021 GMC Sierra
3GTP8AEK9MG202408
Houma, LA
This 2021 GMC Sierra is listed at $25,997 with 77,584 miles in Houma, LA.
Sold by Southland Dodge
Hours
- Mon–Wed
- 7:30 AM – 6:00 PM
- Thu–Fri
- 8:00 AM – 6:00 PM
- Sat
- 9:00 AM – 5:00 PM
Contact details come from the dealer's listing and public business records. VinAssessment is not the seller and takes no fee — you deal with the dealer directly.
Price history for this VIN
Asking prices recorded across 2 listing dates for VIN 3GTP8AEK9MG202408, spanning 19 days.
Active listings
Full listing history on VehiSales →| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| Southland Dodge | Houma, LA 70364 | $25,997 | 77,584 mi | 2026-09-02 |
| Southland of Thibodaux | Thibodaux, LA 70301 | $25,997 | — | 2026-09-02 |
| Southland Dodge Chrysler Inc | Houma, LA 70364 | $25,997 | 77,584 mi | 2026-08-14 |
What would this 2021 GMC Sierra cost per month?
Estimate the monthly payment on a $25,997 vehicle. 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 3GTP8AEK9MG202408Full 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.
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 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 | $36,030 |
| 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 | — |
| 2021 Ram 1500 | $31,997 | 9 | — |
| 2022 Ford F-150 | $44,492 | 4 | — |
| 2019 Chevrolet Silverado | $30,469 | 3 | — |
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 | 3,948 | $36,654 | 100% | 84,104 mi |
| 2020 | 2,933 | $35,888 | 98% | 93,982 mi |
| 2019 | 1,868 | $31,886 | 87% | 97,893 mi |
Units for sale — listings of each model year in the latest nightly market snapshot.
