2026 GMC Sierra HD AT4

VIN  1GT4UPEY6TF134171

This 2026 GMC Sierra HD AT4 is listed at $76,396 with 15,048 miles in Fond Du Lac, WI.

GOOD DEAL $2,504 below typical price Asking $76,396 · typical market price $78,900 · based on 149 comparable same-build listings.
VehiLeaks · Vehicle History Report
The full history of this 2026 GMC Sierra HD AT4
VIN 1GT4UPEY6TF134171 · one-time $6, no subscription
  • Reported accidents & damage
  • Title brands — salvage, flood, lemon
  • Odometer readings over time
  • Every past listing: price, dealer, photos
Pickup 6.6L V8 4WD Diesel
2026 GMC Sierra HD AT4
$6 one-time
Get the full report → Instant access after checkout

Market Price Range

Below market
$73,383
Typical price
$78,900
Above market
$89,111
Based on 149 comparable same-build listings.
This vehicle: $76,396 — $2,504 below the typical market price ($78,900)
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

Jul 31, 2026 · $76,396 Aug 16, 2026 · $76,396

Asking prices recorded across 4 listing dates for VIN 1GT4UPEY6TF134171, spanning 16 days.

Active listings

Full listing history on VehiSales →
Dealer Location Price Mileage Listed
Lenz Truck - Fond du Lac, WI Fond Du Lac, WI 54935 $76,396 15,048 mi 2026-08-16
Lenz Sales & Service, Inc. Fond Du Lac, WI 54935 $75,997 15,048 mi 2026-08-01
Lenz Truck Center Fond du Lac, WI 54935 $75,997 15,048 mi 2026-07-31
Lenz Truck of Fond du Lac Fond Du Lac, WI 54935 $76,397 15,043 mi 2026-07-31

Former listings

Dealer Location Price Mileage Listed
Lenz Truck - Fond du Lac, WI Fond Du Lac, WI 54935 $76,396 15 mi 2026-08-10
Lenz Truck Center Fond du Lac, WI 54935 $75,998 15,048 mi 2026-07-31

What would this 2026 GMC Sierra HD AT4 cost per month?

Estimate the monthly payment on a $76,396 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
$1,361
per month
60 months · 7.0% APR · $7,640 down
Amount financed
$68,756
Total interest
$12,904

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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VehiSales · Cars for Sale
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