2021 GMC Sierra SLE

VIN 3GTU9BET6MG251497

This 2021 GMC Sierra SLE is listed at $32,749 with 74,735 miles in Collinsville, IL.

ABOVE TYPICAL $1,154 above typical price Asking $32,749 · typical market price $31,595 · based on 18 comparable same-build listings.

VehiLeaks · Vehicle History Report

The full history of this 2021 GMC Sierra SLE

VIN 3GTU9BET6MG251497 · 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

$26,990

Typical price

$31,595

Above market

$35,490

Based on 18 comparable same-build listings.

This vehicle: $32,749 — $1,154 above the typical market price ($31,595)

Market data as of August 16, 2026

See all 2021 GMC Sierra prices — typical $31,595 →

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

Price increased $377 (+1.2%) over 1 day.

Aug 12, 2026 · $32,372 Aug 13, 2026 · $32,749

Asking prices recorded across 2 listing dates for VIN 3GTU9BET6MG251497, spanning 1 day.

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
LAURA BUICK-GMC, INC.	Collinsville, IL 62234	$32,749	74,735 mi	2026-08-13
Laura Buick GMC	Collinsville, IL 62234	$32,372	75,824 mi	2026-08-12

What would this 2021 GMC Sierra SLE cost per month?

Estimate the monthly payment on a $32,749 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

$584

per month

60 months · 7.0% APR · $3,275 down

Amount financed

$29,474

Total interest

$5,566

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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