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2026 GMC Sierra HD SLT
VIN
1GT4UNEY6TF188591
This 2026 GMC Sierra HD SLT is listed at $82,635 with 4 miles in Monahans, TX.
ABOVE TYPICAL
$2,422 above typical price
Asking $82,635 · typical market price $80,213 · based on 850 comparable same-build listings.
Market Price Range
Below market
$75,574
Typical price
$80,213
Above market
$86,206
Based on
850
comparable same-build listings.
This vehicle:
$82,635 — $2,422 above the typical market price ($80,213)
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 $3,550 (−4.1%) over 6 months.
Dec 16, 2025 · $86,185
Jun 5, 2026 · $82,635
Asking prices recorded across 4 listing dates for VIN 1GT4UNEY6TF188591, spanning 6 months.
Active listings
Full listing history on VehiSales →| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| Monahans Chevrolet GMC | Monahans, TX 79756 | $82,635 | 4 mi | 2026-06-05 |
Former listings
| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| Monahans Chevrolet GMC | Monahans, TX 79756 | $82,410 | 4 mi | 2025-12-17 |
| Monahan's Buick GMC | Monahans, TX 79756 | $86,185 | 4 mi | 2025-12-16 |
What would this 2026 GMC Sierra HD SLT cost per month?
Estimate the monthly payment on a $82,635 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
$1,473
per month
60 months · 7.0% APR · $8,264 down
Amount financed
$74,371
Total interest
$14,009
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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