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2026 GMC Sierra HD AT4
VIN
1GT4UPEY7TF262421
This 2026 GMC Sierra HD AT4 is listed at $87,180 with 5 miles in Buena Park, CA.
FAIR PRICE
within $1,342 of the typical market price
Asking $87,180 · typical market price $85,838 · based on 1,780 comparable same-build listings.
Market Price Range
Below market
$80,855
Typical price
$85,838
Above market
$91,253
Based on
1780
comparable same-build listings.
This vehicle:
$87,180 — within $1,342 of the typical market price ($85,838)
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 $915 (−1.0%) over 4 months.
Apr 29, 2026 · $88,095
Aug 15, 2026 · $87,180
Asking prices recorded across 4 listing dates for VIN 1GT4UPEY7TF262421, spanning 4 months.
Active listings
Full listing history on VehiSales →| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| Simpson Buick GMC Cadillac of Buena Park | Buena Park, CA 90621 | $87,180 | 5 mi | 2026-08-15 |
Former listings
| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| Simpson Buick GMC Cadillac of Buena Park | Buena Park, CA 90621 | $87,095 | 5 mi | 2026-06-26 |
| Simpson Buick GMC of Buena Park | Buena Park, CA 90621 | $87,095 | — | 2026-05-10 |
| Simpson Buick GMC | Buena Park, CA 90621 | $88,095 | — | 2026-04-29 |
What would this 2026 GMC Sierra HD AT4 cost per month?
Estimate the monthly payment on a $87,180 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
$1,554
per month
60 months · 7.0% APR · $8,718 down
Amount financed
$78,462
Total interest
$14,778
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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