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2025 GMC Sierra HD AT4
VIN
1GT4UPEYXSF335909
This 2025 GMC Sierra HD AT4 is listed at $77,367 in Decatur, IL.
ABOVE MARKET
$5,199 above typical price
Asking $77,367 · typical market price $72,168 · based on 256 comparable same-build listings.
Market Price Range
Below market
$67,405
Typical price
$72,168
Above market
$76,945
Based on
256
comparable same-build listings.
This vehicle:
$77,367 — above the market range (typical price $72,168)
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 $358 (+0.5%) over 3 months.
May 14, 2026 · $76,990
Aug 14, 2026 · $77,348
Asking prices recorded across 13 listing dates for VIN 1GT4UPEYXSF335909, spanning 3 months.
Active listings
Full listing history on VehiSales →| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| Bob Brady Hyundai | Decatur, IL 62554 | $77,367 | — | 2026-08-10 |
| Bob Brady Buick GMC | Forsyth, IL 62535 | $76,990 | 24,289 mi | 2026-07-18 |
| Bob Brady Buick GMC, Inc | Forsyth, IL 62535 | $76,990 | 24,289 mi | 2026-05-14 |
Former listings
| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| Bob Brady Hyundai | Decatur, IL 62554 | $80,367 | — | 2026-07-13 |
| Bob Brady Buick GMC | Forsyth, IL 62535 | $79,990 | 24,289 mi | 2026-05-16 |
| Bob Brady Buick GMC, Inc | Forsyth, IL 62535 | $79,990 | 24,289 mi | 2026-05-14 |
What would this 2025 GMC Sierra HD AT4 cost per month?
Estimate the monthly payment on a $77,367 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
$1,379
per month
60 months · 7.0% APR · $7,737 down
Amount financed
$69,630
Total interest
$13,110
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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