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2026 GMC Sierra HD AT4
VIN
1GT4UPEY9TF268138
This 2026 GMC Sierra HD AT4 is listed at $88,310 with 75 miles in Lone Tree, CO.
ABOVE TYPICAL
$2,443 above typical price
Asking $88,310 · typical market price $85,867 · based on 1,767 comparable same-build listings.
Market Price Range
Below market
$80,855
Typical price
$85,867
Above market
$91,246
Based on
1767
comparable same-build listings.
This vehicle:
$88,310 — $2,443 above the typical market price ($85,867)
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 $6,000 (+7.2%) over 4 months.
Apr 10, 2026 · $83,310
Aug 7, 2026 · $89,310
Asking prices recorded across 9 listing dates for VIN 1GT4UPEY9TF268138, spanning 4 months.
Active listings
Full listing history on VehiSales →| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| AutoNation Buick GMC Park Meadows | Lone Tree, CO 80124 | $88,310 | 75 mi | 2026-04-11 |
Former listings
| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| AutoNation GMC Park Meadows | Lone Tree, CO 80124 | $89,310 | 75 mi | 2026-08-07 |
| AutoNation Buick GMC Park Meadows | Lone Tree, CO 80124 | $89,109 | 75 mi | 2026-08-01 |
| Autonation Buick GMC Laurel | Laurel, MD 20707 | $5,179 | — | 2026-07-13 |
| Haley Buick GMC Airport | Richmond, VA 23231 | $83,810 | 3 mi | 2026-04-11 |
| Haley Buick GMC Airport | Henrico, VA 23231 | $83,310 | 3 mi | 2026-04-10 |
What would this 2026 GMC Sierra HD AT4 cost per month?
Estimate the monthly payment on a $88,310 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
$1,574
per month
60 months · 7.0% APR · $8,831 down
Amount financed
$79,479
Total interest
$14,961
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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