2021 GMC Sierra 1500 AT4

Specifications:

Year:

2021

VIN:

3GTP9EEL8MG447858

Make:

GMC

Stock:

MG447858

Model/Trim:

Sierra 1500 AT4

Condition:

Pre-Owned

Body:

Pickup Truck

Exterior:

Summit White

Engine:

EcoTec3 6.2L V8 420hp 460ft. lbs.

Interior:

Jet Black With Kalahari Accents Leather

Transmission:

10-Speed Shiftable Automatic

Mileage:

68,305

Drivetrain:

4 Wheel Drive

Economy:

City 14 / Highway 19

Vehicle Description

2021 GMC Sierra 1500 4WD Crew Cab AT4 ??? Summit White with Jet Black/Kalahari Accents

This bold and off-road-ready 2021 GMC Sierra 1500 AT4 4WD Crew Cab is built to perform with rugged style. Dressed in Summit White and accented with a distinctive Jet Black interior with Kalahari trim, it???s powered by the legendary 6.2L EcoTec3 V8 engine paired with a 10-speed automatic transmission???without automatic stop/start for uninterrupted driving performance.

Entertainment & Technology Features:

8" HD color touchscreen GMC Premium Infotainment System

Wireless Apple CarPlay & Android Auto

Bluetooth audio streaming with voice recognition

SiriusXM radio capable (subscription required)

OnStar & 4G LTE Wi-Fi hotspot capability

USB ports with SD card reader

ProGrade Trailering System with integrated trailer brake controller

Remote start

Keyless open and start

Added Features

6.2L EcoTec3 V8 Engine (No Auto Stop/Start) ??? $2,495

AT4 High Clearance Step (Dealer Installed) ??? $1,095

20" Machined Aluminum Wheels w/ Carbon Grey Accents ??? $800

Goodyear Wrangler Territory Tires ??? $295

Wheel Locks (Set of 4, Dealer Installed) ??? $75

Credit: Not Equipped w/ Auto Stop/Start ??? -$50

Credit: Not Equipped w/ HD Radio ??? -$50

Credit: Not Equipped w/ Heated Rear Seats ??? -$200

Safety Features

HD Rear Vision Camera

Teen Driver Mode

Tire Pressure Monitoring with Tire Fill Alert

OnStar safety & security capability

Standard Features

Dual-zone automatic climate control

10-way power-adjustable heated and ventilated front bucket seats

Heated leather-wrapped steering wheel

Premium all-weather floor liners

Rear 60/40 folding bench seat with storage

Driver seat and mirror memory system

Mechanical Features

X31 Off-Road Suspension with 2" factory lift and monotube shocks

Auto-locking rear differential

Skid plates and heavy-duty air filter

2-speed Autotrac transfer case

Hill Descent Control

Stabilitrak with Trailer Sway Control and Hill Start Assist

Trailer brake controller

120V power outlets in cargo bed and instrument panel

Dual exhaust with premium tips

Why Buy from Tomball Ford?

Transparent pricing and hassle-free financing options

Top-rated customer service and vehicle trade-in process

Certified service technicians and full-service repair center

Family-owned and trusted in the community

Conveniently located with a wide selection of trucks and SUVs

Google Review Spotlight
??????????????????????????????
???I had an amazing experience buying my truck at Tomball Ford! The staff was friendly, knowledgeable, and never pushy. I love my new Sierra???shoutout to Mike R. for making it all so easy!??? ??? James D., April 2025

Come test drive this powerful 2021 Sierra AT4 today at Tomball Ford! Whether you're looking for off-road capability, luxury comfort, or advanced towing tech, this truck checks every box. Visit us today and experience why more drivers choose Tomball Ford!

Vehicle History Report : as Of 06/03/2025

*carfax Snapshot is a reflection of available information on the date the report was pulled. carfax is constantly being updated with new information and is subject to change at any time.