2021 GMC Sierra SLT

VIN 3GTU9DET5MG350064

This 2021 GMC Sierra SLT is listed at $39,499 with 52,057 miles in Fenton, MO.

ABOVE TYPICAL $4,922 above typical price Asking $39,499 · typical market price $34,577 · based on 26 comparable same-build listings.

VehiLeaks · Vehicle History Report

The full history of this 2021 GMC Sierra SLT

VIN 3GTU9DET5MG350064 · 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

$29,761

Typical price

$34,577

Above market

$39,967

Based on 26 comparable same-build listings.

This vehicle: $39,499 — $4,922 above the typical market price ($34,577)

Market data as of August 16, 2026

See all 2021 GMC Sierra prices — typical $34,577 →

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

Asking price over time

Jun 13, 2022 · $62,988 Aug 12, 2026 · $39,499

Asking prices recorded across 3 listing dates for VIN 3GTU9DET5MG350064, spanning 4 years 2 months.

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
Jim Butler Chevrolet	Fenton, MO 63026	$39,499	52,057 mi	2026-08-12

Former listings

Dealer	Location	Price	Mileage	Listed
Medina Auto Mall	Medina, OH 44256	$54,997	4,708 mi	2022-06-14

What would this 2021 GMC Sierra SLT cost per month?

Estimate the monthly payment on a $39,499 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

$704

per month

60 months · 7.0% APR · $3,950 down

Amount financed

$35,549

Total interest

$6,691

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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