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2026 GMC Sierra HD AT4
VIN
1GT4UVEY5TF166775
This 2026 GMC Sierra HD AT4 is listed at $78,616 with 10,200 miles in Stephenville, TX.
GOOD DEAL
$7,340 below typical price
Asking $78,616 · typical market price $85,956 · based on 31 comparable same-build listings.
Market Price Range
Below market
$76,542
Typical price
$85,956
Above market
$97,688
Based on
31
comparable same-build listings.
This vehicle:
$78,616 — $7,340 below the typical market price ($85,956)
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 dropped $8,812 (−10.1%) over 9 months.
Nov 5, 2025 · $87,428
Aug 3, 2026 · $78,616
Asking prices recorded across 5 listing dates for VIN 1GT4UVEY5TF166775, spanning 9 months.
Active listings
Full listing history on VehiSales →| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| Triple Crown Ford Lincoln | Stephenville, TX 76401 | $78,616 | 10,200 mi | 2026-08-03 |
| Triple Crown Ford | Stephenville, TX 76401 | $78,616 | 10,200 mi | 2026-08-03 |
Former listings
| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| Triple Crown Ford Lincoln | Stephenville, TX 76401 | $78,616 | 10,200 mi | 2026-08-01 |
| Hanner Chevrolet GMC | Baird, TX 79504 | $87,428 | 13 mi | 2025-11-06 |
| Hanner Chevrolet GMC Trucks | Baird, TX 79504 | $87,428 | 13 mi | 2025-11-05 |
What would this 2026 GMC Sierra HD AT4 cost per month?
Estimate the monthly payment on a $78,616 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
$1,401
per month
60 months · 7.0% APR · $7,862 down
Amount financed
$70,754
Total interest
$13,306
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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