2020 GMC Sierra AT4

VIN 3GTU9EET8LG341931

This 2020 GMC Sierra AT4 is listed at $33,800 with 90,735 miles in Williston, ND.

GOOD DEAL $1,499 below typical price Asking $33,800 · typical market price $35,299 · based on 47 comparable same-build listings.

VehiLeaks · Vehicle History Report

The full history of this 2020 GMC Sierra AT4

VIN 3GTU9EET8LG341931 · one-time $6, no subscription

Reported accidents & damage
Title brands — salvage, flood, lemon
Odometer readings over time
Every past listing: price, dealer, photos

Pickup 3.0L V6 4WD Diesel

$6 one-time

Get the full report → Instant access after checkout

Market Price Range

Below market

$29,962

Typical price

$35,299

Above market

$40,125

Based on 47 comparable same-build listings.

This vehicle: $33,800 — $1,499 below the typical market price ($35,299)

Market data as of August 16, 2026

See all 2020 GMC Sierra prices — typical $35,299 →

Vehicle Decode

Body: Pickup
Engine: 3.0L · V6 · Diesel
Drive: 4WD/4-Wheel Drive/4x4
Doors: 4
Made by: GENERAL MOTORS LLC

Look up the factory Monroney sticker by VIN →

Safety

✓ Backup camera
✓ Blind-spot monitor
✓ Lane departure
✓ ABS
✓ Electronic stability

Price history for this VIN

Jun 28, 2026 · $33,800 Jul 22, 2026 · $33,800

Asking prices recorded across 6 listing dates for VIN 3GTU9EET8LG341931, spanning 24 days.

Safety & ownership

EPA fuel economy (MPG)

City

Highway

Combined

Est. fuel cost: $1,790/year

Assumes 15,000 miles a year at $3.10/gallon and 26 MPG combined.

Model-level data for the 2020 GMC Sierra from NHTSA (recalls, NCAP crash tests) and EPA fueleconomy.gov, refreshed July 28, 2026.

Active listings

Full listing history on VehiSales →

Dealer	Location	Price	Mileage	Listed
Red Rock Chevrolet GMC	Williston, ND 58802	$33,800	90,735 mi	2026-07-22
Red Rock Ford, Inc.	Williston, ND 58801	$33,800	90,735 mi	2026-06-29
Red Rock Ford	Williston, ND 58801	$33,800	90,735 mi	2026-06-28
Red Rock Ford of Williston	Williston, ND 58801	$33,800	90,735 mi	2026-06-28

Former listings

Dealer	Location	Price	Mileage	Listed
Red Rock Chevrolet GMC	Williston, ND 58802	$33,990	90,735 mi	2026-07-22
Red Rock Ford, Inc.	Williston, ND 58801	$33,990	90,735 mi	2026-06-29
Red Rock Ford of Williston	Williston, ND 58801	$33,990	90,735 mi	2026-06-28
Red Rock Ford	Williston, ND 58801	$33,990	90,735 mi	2026-06-28

What would this 2020 GMC Sierra AT4 cost per month?

Estimate the monthly payment on a $33,800 vehicle. Move the numbers to match your own loan.

Vehicle price

Down payment

10% down

Interest rate (APR)

7.0% is a typical rate for a well-qualified buyer — use your own quote if you have one.

Loan term

Estimated monthly payment

$602

per month

60 months · 7.0% APR · $3,380 down

Amount financed

$30,420

Total interest

$5,700

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.