2026 GMC Sierra
3GTPHAED3TG303220
GREAT DEAL
· $3,132 below typical price
Rockwall, TX
This 2026 GMC Sierra is listed at $40,020 in Rockwall, TX.
Market price range
Based on 56 comparable same-build listings · Market data as of August 24, 2026This vehicle: $40,020 — below the market range (typical price $43,152)
Asking $40,020 · typical market price $43,152 · based on 56 comparable same-build listings.
Price history for this VIN
Price increased $1,000 (+2.5%) over 6 days.
Asking prices recorded across 3 listing dates for VIN 3GTPHAED3TG303220, spanning 6 days.
Active listing
Full listing history on VehiSales →| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| Heritage GMC Buick | Rockwall, TX 75087 | $40,020 | — | 2026-03-10 |
Former listings
| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| Heritage Buick GMC | Rockwall, TX 75087 | $41,020 | — | 2026-03-16 |
| Heritage GMC Buick | Rockwall, TX 75032 | $40,020 | — | 2026-03-11 |
What would this 2026 GMC Sierra cost per month?
Estimate the monthly payment on a $40,020 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 3GTPHAED3TG303220- ✓ 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.
Look up the factory Monroney sticker by VIN →Fuel economy (EPA)
Assumes 15,000 miles a year at $3.10/gallon and 17 MPG combined.
5-year cost to own
Beyond the sticker: what this 2026 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 2026 GMC Sierra from EPA fueleconomy.gov, refreshed July 28, 2026.
Where the price is heading
Typical asking price for a 2026 GMC Sierra over the last 6 months — the market firmed $3,318 in that span.
Monthly price table
| Month | Typical price |
|---|---|
| March 2026 | $65,412 |
| April 2026 | $65,690 |
| May 2026 | $65,052 |
| June 2026 | $69,732 |
| July 2026 | $70,830 |
| August 2026 | $68,730 |
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 |
|---|---|---|---|
| 2026 GMC Sierra (this car) | $40,020 | 56 | — |
| 2026 Chevrolet Silverado | $47,554 | 242 | +$7,534 |
| 2026 Ford F-150 | $53,472 | 138 | +$13,452 |
| 2026 Toyota Tacoma | $45,124 | 123 | +$5,104 |
| 2026 Ram 1500 | $45,566 | 101 | +$5,546 |
| 2026 Toyota Tundra | $54,994 | 57 | +$14,974 |
Cheapest active listings of each comparable body style in this region — median of what those models actually ask.
Market by model year
Gen 5 · 2022–presentWhat 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 | 34,169 | $63,604 | 100% | 832 mi |
| 2025 | 4,120 | $50,080 | 79% | 26,817 mi |
| 2024 | 5,481 | $48,554 | 76% | 37,061 mi |
| 2023 | 4,479 | $45,567 | 72% | 51,302 mi |
| 2022 | 1,942 | $41,996 | 66% | 63,117 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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