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2026 GMC Sierra HD AT4
VIN
1GT4UPEY4TF264806
This 2026 GMC Sierra HD AT4 is listed at $77,336 with 9,451 miles in Whitefish, MT.
FAIR PRICE
within $1,564 of the typical market price
Asking $77,336 · typical market price $78,900 · based on 149 comparable same-build listings.
Market Price Range
Below market
$73,383
Typical price
$78,900
Above market
$89,111
Based on
149
comparable same-build listings.
This vehicle:
$77,336 — within $1,564 of the typical market price ($78,900)
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 $587 (+0.8%) over 19 days.
Jul 11, 2026 · $76,749
Jul 30, 2026 · $77,336
Asking prices recorded across 3 listing dates for VIN 1GT4UPEY4TF264806, spanning 19 days.
Active listings
Full listing history on VehiSales →| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| Don K Chevrolet | Whitefish, MT 59937 | $77,336 | 9,451 mi | 2026-07-30 |
| Don K. Dealerships | Whitefish, MT 59937 | $77,336 | 9,451 mi | 2026-07-12 |
Former listings
| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| Don K Chrysler Dodge Jeep Ram | 59937 | $77,575 | 9,451 mi | 2026-07-12 |
| Don K Chrysler Dodge Jeep Ram | Whitefish, MT 59937 | $77,575 | 9,454 mi | 2026-07-12 |
| Don K. Dealerships | Whitefish, MT 59937 | $76,749 | 9,451 mi | 2026-07-11 |
What would this 2026 GMC Sierra HD AT4 cost per month?
Estimate the monthly payment on a $77,336 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
$1,378
per month
60 months · 7.0% APR · $7,734 down
Amount financed
$69,602
Total interest
$13,078
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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