2020 GMC Sierra AT4
3GTP9EELXLG179118
GOOD DEAL
· $4,256 below typical price
Hoover, AL
This 2020 GMC Sierra AT4 is listed at $31,988 with 154,409 miles in Hoover, AL.
Market price range
Based on 141 comparable same-build listings · Market data as of August 26, 2026This vehicle: $31,988 — $4,256 below the typical market price ($36,244)
Asking $31,988 · typical market price $36,244 · based on 141 comparable same-build listings.
Price history for this VIN
Asking price over time
Asking prices recorded across 4 listing dates for VIN 3GTP9EELXLG179118, spanning 5 years 4 months.
Active listing
Full listing history on VehiSales →| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| Hendrick Chevrolet Hoover | Hoover, AL 35216 | $31,988 | 154,409 mi | 2026-08-21 |
Former listings
| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| Hendrick Chevrolet Hoover | Hoover, AL 35216 | $64,000 | 25,412 mi | 2021-06-25 |
| — | Franklin, TN 37067 | $63,296 | 25,412 mi | 2021-04-07 |
What would this 2020 GMC Sierra AT4 cost per month?
Estimate the monthly payment on a $31,988 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 3GTP9EELXLG179118- ✓ 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.
See the factory equipment and MSRP for this VIN →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 July 28, 2026.
Where the price is heading
Typical asking price for a 2020 GMC Sierra over the last 6 months — the market softened $995 in that span.
Monthly price table
| Month | Typical price |
|---|---|
| March 2026 | $35,995 |
| April 2026 | $34,990 |
| May 2026 | $36,244 |
| June 2026 | $36,234 |
| July 2026 | $35,989 |
| August 2026 | $35,000 |
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 AT4 (this car) | $31,988 | 141 | — |
| 2018 Chevrolet Silverado | $25,872 | 18 | −$6,116 |
| 2022 Ford F-150 | $31,493 | 18 | −$495 |
| 2022 Toyota Tacoma | $30,195 | 14 | −$1,793 |
| 2021 Ram 1500 | $28,075 | 11 | −$3,913 |
| 2021 Ford Ranger | $24,988 | 5 | −$7,000 |
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 | 3,251 | $36,795 | 100% | 83,986 mi |
| 2020 | 2,350 | $35,354 | 96% | 94,289 mi |
| 2019 | 1,669 | $31,950 | 87% | 97,870 mi |
Units for sale — listings of each model year in the latest nightly market snapshot.
Watch the price on this model
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