2020 GMC Sierra HD SLT
1GT49NE79LF150412
This vehicle is no longer listed. The figures below describe the market for this build.
Market price range
Based on 20 comparable same-build listings · Market data as of September 3, 2026Listings
Full listing history on VehiSales →No active listings of this exact VIN right now.
Estimate the monthly payment at the typical market price ($40,797)
This vehicle is no longer listed, so the estimate starts from $40,797 — 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 1GT49NE79LF150412Full factory specs for this build →
- ✓ Backup camera
- ✓ Blind-spot monitor
- ✓ Lane departure
- ✓ ABS
- ✓ Electronic stability
Where the price is heading
Typical asking price for a 2020 GMC Sierra HD over the last 6 months — the market firmed $3,414 in that span.
Monthly price table
| Month | Typical price |
|---|---|
| April 2026 | $48,808 |
| May 2026 | $49,872 |
| June 2026 | $50,139 |
| July 2026 | $50,202 |
| August 2026 | $49,871 |
| September 2026 | $52,222 |
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 HD SLT (this car) | $40,797 | 20 | — |
| 2022 Ford F-150 | $34,995 | 17 | −$5,802 |
| 2018 Chevrolet Silverado | $28,980 | 15 | −$11,817 |
| 2021 GMC Sierra | $34,082 | 10 | −$6,715 |
| 2022 Ram 1500 | $27,166 | 7 | −$13,631 |
| 2020 Toyota Tacoma | $34,342 | 6 | −$6,455 |
Cheapest active listings of each comparable body style in this region — median of what those models actually ask.
Market by model year
What 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 |
|---|---|---|---|---|
| 2026 | 220 | $89,560 | 100% | — |
| 2025 | 10 | $76,794 | 86% | 18,526 mi |
| 2024 | 17 | $69,500 | 78% | 38,007 mi |
Units for sale — listings of each model year in the latest nightly market snapshot.
