2020 GMC Sierra SLT
1GT49NE78LF122956
This vehicle is no longer listed. The figures below describe the market for this build.
Market price range
Based on 19 comparable same-build listings · Market data as of September 2, 2026Price history for this VIN
Price dropped $500 (−1.1%) over 18 days.
Asking prices recorded across 7 listing dates for VIN 1GT49NE78LF122956, spanning 18 days.
Listings
Full listing history on VehiSales →No active listings of this exact VIN right now.
Former listings
| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| Crain Buick GMC of Conway | Conway, AR 72032 | $46,129 | 71,524 mi | 2026-05-26 |
| Crain Buick GMC | Conway, AR 72032 | $46,129 | 71,524 mi | 2026-05-10 |
Estimate the monthly payment at the typical market price ($41,294)
This vehicle is no longer listed, so the estimate starts from $41,294 — 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 1GT49NE78LF122956Full 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 2020 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 2020 GMC Sierra from EPA fueleconomy.gov, refreshed August 27, 2026.
Where the price is heading
Typical asking price for a 2020 GMC Sierra over the last 6 months — the market firmed $1,008 in that span.
Monthly price table
| Month | Typical price |
|---|---|
| April 2026 | $34,990 |
| May 2026 | $36,244 |
| June 2026 | $36,234 |
| July 2026 | $35,989 |
| August 2026 | $35,150 |
| September 2026 | $35,998 |
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 |
|---|---|---|---|
| 2020 GMC Sierra SLT (this car) | $41,294 | 19 | — |
| 2018 Ford F-150 | $28,549 | 28 | −$12,745 |
| 2021 Chevrolet Silverado | $27,586 | 25 | −$13,708 |
| 2022 Ram 1500 | $25,778 | 19 | −$15,516 |
| 2020 Ram 2500 | $40,135 | 7 | −$1,159 |
| 2022 Chevrolet Silverado LTD | $37,360 | 5 | −$3,934 |
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.
