2020 GMC Sierra AT4
3GTP9EEL7LG153625
ABOVE MARKET
· $5,901 above typical price
Siloam Springs, AR
This 2020 GMC Sierra AT4 is listed at $42,133 with 70,522 miles in Siloam Springs, AR.
Market price range
Based on 141 comparable same-build listings · Market data as of August 26, 2026This vehicle: $42,133 — above the market range (typical price $36,232)
Asking $42,133 · typical market price $36,232 · based on 141 comparable same-build listings.
Price history for this VIN
Price increased $134 (+0.3%) over 8 days.
Asking prices recorded across 4 listing dates for VIN 3GTP9EEL7LG153625, spanning 8 days.
Active listings
Full listing history on VehiSales →| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| Superior Ford of Siloam Springs | Siloam Springs, AR 72761 | $42,133 | 70,522 mi | 2026-08-25 |
| Superior Ford | Siloam Springs, AR 72761 | $42,133 | 70,522 mi | 2026-08-19 |
| Superior Ford Inc | Siloam Springs, AR 72761 | $41,999 | 70,522 mi | 2026-08-17 |
| Superior Ford Siloam Springs | Siloam Springs, AR 72761 | $41,999 | 70,522 mi | 2026-08-17 |
Former listings
| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| Superior Ford of Siloam Springs | Siloam Springs, AR 72761 | $42,133 | 70,514 mi | 2026-08-21 |
| Superior Ford Siloam Springs | Siloam Springs, AR 72761 | $42,133 | 70,514 mi | 2026-08-17 |
What would this 2020 GMC Sierra AT4 cost per month?
Estimate the monthly payment on a $42,133 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 3GTP9EEL7LG153625- ✓ 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.
Pull the original window sticker →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) | $42,133 | 141 | — |
| 2019 Ford F-150 | $30,649 | 19 | −$11,484 |
| 2022 Ram 1500 | $33,168 | 16 | −$8,965 |
| 2021 Chevrolet Silverado | $32,500 | 11 | −$9,633 |
| 2021 Toyota Tacoma | $37,166 | 8 | −$4,967 |
| 2019 Ford F-250 | $49,980 | 7 | +$7,847 |
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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