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2026 GMC Sierra HD AT4
VIN
1GT4UPEYXTF338603
This 2026 GMC Sierra HD AT4 is listed at $78,505 with 3 miles in Waxahachie, TX.
GREAT DEAL
$7,365 below typical price
Asking $78,505 · typical market price $85,870 · based on 1,767 comparable same-build listings.
Market Price Range
Below market
$80,855
Typical price
$85,870
Above market
$91,246
Based on
1767
comparable same-build listings.
This vehicle:
$78,505 — below the market range (typical price $85,870)
Market data as of August 16, 2026
Vehicle Decode
- Body
- Pickup
- Engine
- 6.6L · V8 · Diesel
- Drive
- 4WD/4-Wheel Drive/4x4
- Made by
- GENERAL MOTORS LLC
Safety
- ✗ Backup camera
- ✗ Blind-spot monitor
- ✗ Lane departure
- ✓ ABS
- ✓ Electronic stability
Price history for this VIN
Jul 23, 2026 · $78,505
Aug 8, 2026 · $78,505
Asking prices recorded across 5 listing dates for VIN 1GT4UPEYXTF338603, spanning 16 days.
Active listings
Full listing history on VehiSales →| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| LEGACY CHEVROLET GMC OF WAXAHACHIE | Waxahachie, TX 75165 | $78,505 | 3 mi | 2026-08-08 |
| Legacy GMC Of Waxahachie | Waxahachie, TX 75165 | $86,730 | 3 mi | 2026-08-06 |
| Legacy Chevrolet of Waxahachie | Waxahachie, TX 75165 | $78,505 | 3 mi | 2026-07-31 |
Former listings
| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| Legacy GMC Of Waxahachie | Waxahachie, TX 75144 | $76,730 | — | 2026-07-23 |
What would this 2026 GMC Sierra HD AT4 cost per month?
Estimate the monthly payment on a $78,505 vehicle. Move the numbers to match your own loan.
10% down
7.0% is a typical rate for a well-qualified buyer — use your own quote if you have one.
Loan term
Estimated monthly payment
$1,399
per month
60 months · 7.0% APR · $7,851 down
Amount financed
$70,654
Total interest
$13,286
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.
Watch the price on this model
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