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2026 GMC Sierra HD AT4
VIN
1GT4UPEY6TF348187
This 2026 GMC Sierra HD AT4 is listed at $90,620 with 6 miles in Decatur, TX.
ABOVE TYPICAL
$4,778 above typical price
Asking $90,620 · typical market price $85,842 · based on 1,780 comparable same-build listings.
Market Price Range
Below market
$80,855
Typical price
$85,842
Above market
$91,253
Based on
1780
comparable same-build listings.
This vehicle:
$90,620 — $4,778 above the typical market price ($85,842)
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
Price increased $225 (+0.3%) over 1 day.
Aug 11, 2026 · $82,345
Aug 12, 2026 · $82,570
Asking prices recorded across 2 listing dates for VIN 1GT4UPEY6TF348187, spanning 1 day.
Active listings
Full listing history on VehiSales →| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| James Wood Chevrolet Buick GMC | Decatur, TX 76234 | $90,620 | 6 mi | 2026-08-11 |
| James Wood Chevrolet Buick GMC Decatur | Decatur, TX 76234 | $82,345 | 6 mi | 2026-08-11 |
Former listings
| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| James Wood Chevrolet Buick GMC | Decatur, TX 76234 | $90,620 | 6 mi | 2026-08-12 |
What would this 2026 GMC Sierra HD AT4 cost per month?
Estimate the monthly payment on a $90,620 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
$1,615
per month
60 months · 7.0% APR · $9,062 down
Amount financed
$81,558
Total interest
$15,342
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.
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