2021 GMC Sierra Denali

VIN 3GTU9FET7MG122479

This 2021 GMC Sierra Denali is listed at $34,560 with 130,496 miles in Carbondale, IL.

GOOD DEAL $3,817 below typical price Asking $34,560 · typical market price $38,377 · based on 66 comparable same-build listings.

VehiLeaks · Vehicle History Report

The full history of this 2021 GMC Sierra Denali

VIN 3GTU9FET7MG122479 · 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

$33,260

Typical price

$38,377

Above market

$45,091

Based on 66 comparable same-build listings.

This vehicle: $34,560 — $3,817 below the typical market price ($38,377)

Market data as of August 16, 2026

See all 2021 GMC Sierra prices — typical $38,377 →

Vehicle Decode

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

Pull the original window sticker →

Safety

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

Price history for this VIN

Jul 21, 2026 · $34,560 Aug 9, 2026 · $34,560

Asking prices recorded across 6 listing dates for VIN 3GTU9FET7MG122479, spanning 19 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 2021 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
Vic Koenig Chevrolet	Carbondale, IL 62901	$34,560	130,496 mi	2026-07-23

Former listings

Dealer	Location	Price	Mileage	Listed
Vic Koenig Chevrolet	Carbondale, IL 62901	$34,936	128,747 mi	2026-07-23

What would this 2021 GMC Sierra Denali cost per month?

Estimate the monthly payment on a $34,560 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

$616

per month

60 months · 7.0% APR · $3,456 down

Amount financed

$31,104

Total interest

$5,856

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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