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2026 GMC Sierra HD SLT
VIN
1GT4UNE78TF345657
This 2026 GMC Sierra HD SLT is listed at $67,383 with 3 miles in Charleston, IL.
GOOD DEAL
$3,795 below typical price
Asking $67,383 · typical market price $71,178 · based on 381 comparable same-build listings.
Market Price Range
Below market
$66,841
Typical price
$71,178
Above market
$75,560
Based on
381
comparable same-build listings.
This vehicle:
$67,383 — $3,795 below the typical market price ($71,178)
Market data as of August 16, 2026
Vehicle Decode
- Body
- Pickup
- Engine
- 6.6L · V8 · Gasoline
- 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 $4,234 (−5.9%) over 33 days.
Jul 14, 2026 · $71,617
Aug 16, 2026 · $67,383
Asking prices recorded across 4 listing dates for VIN 1GT4UNE78TF345657, spanning 33 days.
Active listings
Full listing history on VehiSales →| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| Diepholz Cadillac | Charleston, IL 61920 | $67,383 | 3 mi | 2026-08-16 |
| Diepholz Chevrolet Buick GMC | Charleston, IL 61920 | $66,981 | 3 mi | 2026-08-08 |
Former listings
| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| Diepholz Cadillac | Charleston, IL 61920 | $67,383 | 1 mi | 2026-07-20 |
What would this 2026 GMC Sierra HD SLT cost per month?
Estimate the monthly payment on a $67,383 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
$1,201
per month
60 months · 7.0% APR · $6,738 down
Amount financed
$60,645
Total interest
$11,415
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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