2021 GMC Sierra SLT
1GT19NEY3MF275984
This vehicle is no longer listed. The figures below describe the market for this build.
Last listed by Rob Green Buick GMC
This VIN is no longer listed by this dealer. They may still have a similar vehicle — ask.
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Price history for this VIN
Asking prices recorded across 2 listing dates for VIN 1GT19NEY3MF275984, spanning 1 day.
Listings
Full listing history on VehiSales →No active listings of this exact VIN right now.
Former listings
| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| Rob Green Buick GMC | Twin Falls, ID 83301 | $69,000 | 18,642 mi | 2022-09-13 |
| Rob Green GMC Buick | Twin Falls, ID 83301 | $69,000 | 18,163 mi | 2022-09-12 |
Estimate the monthly payment at the typical market price ($69,000)
This vehicle is no longer listed, so the estimate starts from $69,000 — 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 1GT19NEY3MF275984Full 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 $1,427 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 | $36,367 |
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 | 4,071 | $36,595 | 100% | 84,121 mi |
| 2020 | 3,020 | $35,746 | 98% | 94,124 mi |
| 2019 | 1,888 | $31,794 | 87% | 98,025 mi |
Units for sale — listings of each model year in the latest nightly market snapshot.