Used 2021 GMCSierra 1500 Denali

On the Lot
at Dave Smith GMC
Exterior Color
Onyx Black
Interior Color
JET BLACK, FORGE PERFORATED LEATHER SEAT TRIM
Odometer
20,840 miles
Fuel Economy
15/20 MPG City/Hwy
Transmission
Automatic
Drivetrain
4WD
Engine
8 Cylinder Engine
VIN
3GTU9FEL8MG130378
Stock Number
TMG130378
GMC Sierra 1500

Included Packages & Accessories

Included Packages & Options

Base model features & specs only

Detailed Specifications

  • Max seating capacity: 5
  • Fuel System: Direct Injection
  • Fuel tank capacity: 24 gal
  • Horsepower: 420

Dealer Notes

Check out this 2021!

You'll appreciate its safety and convenience features! This 4 door, 5 passenger truck just recently passed the 20,000 mile mark! All of the following features are included: a power seat, a rear step bumper, and leather upholstery.

Our aim is to provide our customers with the best prices and service at all times. Please don't hesitate to give us a call.

KBB.com Consumer Reviews

Kelley Blue Book - KBB.com
Overall4.0Out of 5
  • Depreciation of 50%

    By Manny A on 10/28/2026 10:06:36 AM

    4.0
    This is a amazing truck.. Comfortable lots of sensors Etc…. My truck has 30000 miles I when to trade in they offer $46000 I paid $86000 the depreciation is incredible I don’t buy new truck never again.…
  • 2021 GMC SLT 4WD SIERRA, Great Truck

    By Ransom1 on 10/15/2026 4:18:42 PM

    5.0
    This is my 8th truck. This is hands down the very best truck I’ve ever owned. Not only is it the best looking truck on the road I have never had it in the shop except for oil changes and scheduled maintenance. The silver does not show dirt or grime.…
  • Great 4 cylinder truck

    By Steve on 9/23/2026 2:01:15 AM

    5.0
    I have only pulled a trailer one time and still got 18 mpg down doing 80 down the interstate. Otherwise this vehicle is used for commuting or recreating. I typically get 22-24 mpg driving MT highways to the mountains. The turbo has some spunk for getting up to speed and the five years I've had my truck no complaints.…

Price excludes tax, title, license fees and other governmental fees, and $549 dealer documentation service fee.

We have taken reasonable efforts to ensure display of accurate data; however, the information shown may contain errors and omissions, may not reflect all vehicle items and accessories, and errors with regard to pricing may occur. All displayed inventory is subject to prior sale and all prices expire at midnight on the date displayed. Price shown is for the state in which Dealer is physically located and if transferred to another state, the price may change. Dealer is not responsible for any errors but should be consulted in person to confirm the information on this page.