2021 GMC Sierra SLT

VIN  3GTU9DETXMG368981

This 2021 GMC Sierra SLT is listed at $28,357 with 136,823 miles in Broken Arrow, OK.

GREAT DEAL $6,513 below typical price Asking $28,357 · typical market price $34,870 · based on 80 comparable same-build listings.
VehiLeaks · Vehicle History Report
The full history of this 2021 GMC Sierra SLT
VIN 3GTU9DETXMG368981 · 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
2021 GMC Sierra SLT
$6 one-time
Get the full report → Instant access after checkout

Market Price Range

Below market
$28,898
Typical price
$34,870
Above market
$40,064
Based on 80 comparable same-build listings.
This vehicle: $28,357 — below the market range (typical price $34,870)
Market data as of August 16, 2026

Vehicle Decode

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

Safety

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

Price history for this VIN

Price increased $499 (+1.8%) over 12 days.

Jul 4, 2026 · $27,858 Jul 16, 2026 · $28,357

Asking prices recorded across 3 listing dates for VIN 3GTU9DETXMG368981, spanning 12 days.

Safety & ownership

EPA fuel economy (MPG)

City
23
Highway
30
Combined
26
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 Norton Ford Broken Arrow, OK 74012 $28,357 136,823 mi 2026-07-16

Former listings

Dealer Location Price Mileage Listed
Jim Norton Ford Broken Arrow, OK 74012 $29,365 136,823 mi 2026-07-16

What would this 2021 GMC Sierra SLT cost per month?

Estimate the monthly payment on a $28,357 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
$505
per month
60 months · 7.0% APR · $2,836 down
Amount financed
$25,521
Total interest
$4,779

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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