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2026 GMC Sierra HD AT4X
VIN
1GT4UZEY8TF306826
This 2026 GMC Sierra HD AT4X is listed at $90,712 in O'Fallon, MO.
GOOD DEAL
$5,106 below typical price
Asking $90,712 · typical market price $95,818 · based on 879 comparable same-build listings.
Market Price Range
Below market
$89,400
Typical price
$95,818
Above market
$101,124
Based on
879
comparable same-build listings.
This vehicle:
$90,712 — $5,106 below the typical market price ($95,818)
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 $599 (+0.7%) over 81 days.
May 26, 2026 · $90,113
Aug 15, 2026 · $90,712
Asking prices recorded across 2 listing dates for VIN 1GT4UZEY8TF306826, spanning 81 days.
Active listings
Full listing history on VehiSales →| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| O'Fallon Buick GMC | O'Fallon, MO 63368 | $90,712 | — | 2026-08-15 |
Former listings
| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| O'Fallon Buick GMC | O'Fallon, MO 63368 | $90,113 | — | 2026-05-26 |
What would this 2026 GMC Sierra HD AT4X cost per month?
Estimate the monthly payment on a $90,712 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
$1,617
per month
60 months · 7.0% APR · $9,071 down
Amount financed
$81,641
Total interest
$15,379
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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