2021 GMC Sierra 1500 AT4
3GTP9EEL0MG264938
Stock
OSC7451
Mileage
123,857
Automatic
15/19 mpg
Pickup Truck
Four Wheel Drive
Vehicle info
Stock |
OSC7451 |
VIN |
3GTP9EEL0MG264938 |
Dealer |
OttoSource |
Year |
2021 |
Make |
GMC |
Model |
Sierra 1500 |
Mileage |
123,857 |
Dealer Certified |
No |
Certified |
No |
Date in Stock |
06/18/2025 |
Trim |
AT4 |
Model Number |
TK10543 |
Body |
Pickup Truck |
Body Style |
Pickup Truck |
Doors |
4 |
Description |
6.2L Ecotec3 V8 Engine |
Drivetrain |
Four Wheel Drive |
Fuel Type |
Gas |
Exterior Color |
WHITE |
EPA City |
15 |
EPA Highway |
19 |
All pricing and details are believed to be accurate, but we do not warrant or guarantee such accuracy. The prices shown above, may vary from region to region, as will incentives, and are subject to change. The prices shown above does not include dealer preparation of $1,999 and Otto Source Advantage (key replacement, PDR, 24/7 Roadside Assistance), please see dealer for details.
Sales Tax, Title, License Fee, Registration Fee, Dealer Documentary Fee, Dealer Preparation Fee, Finance Charges, Emission Testing Fees and Compliance Fees are additional to the advertised price.
Portions of the data provided are © 2026 Autodata, Inc. dba ChromeData
EQUIPMENT DETAIL
Generic
- 4G LTE Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)
- Air conditioning dual-zone automatic climate control
- Air filter heavy-duty
- Air vents rear
- Alternator 170 amps (Included and only available with (L84) 5.3L EcoTec3 V8 engine or (L87) 6.2L EcoTec3 V8 engine. Not available with (LM2) Duramax 3.0L Turbo-Diesel I6 engine.)
- Assist handles front A-pillar mounted for driver and passenger rear B-pillar mounted
- Audio system feature 6-speaker system
- Auto-locking rear differential
- Automatic Stop/Start (Standard on vehicles built before 6-7-2021. Most vehicles built on or after 6-7-2021 that are equipped with a V8 engine and (MQB) 10-speed automatic transmission will have (NSS) Not Equipped with Automatic Stop/Start which removes Automatic Stop/Start and its content. See dealer for details)
- Battery heavy-duty 730 cold-cranking amps/80 Amp-hr maintenance-free with rundown protection and retained accessory power (Included and only available with (L84) 5.3L EcoTec3 V8 engine (L3B) 2.7L Turbo engine and (L87) 6.2L EcoTec3 V8 engine.)
- Bed Liner Spray-on Pickup bedliner with GMC logo (does not include spray-on liner on tailgate due to Black composite inner panel) (AT4 logo replaces GMC logo. Deleted with (PCP) AT4 CarbonPro Edition. Double Cab and Crew Cab models are available with Ship Thru codes (VBE) (VCO) (VDT) (VYC) or (VYS).)
- Bluetooth for phone connectivity to vehicle infotainment system
- Brake lining wear indicator
- Brakes 4-wheel antilock 4-wheel disc with DURALIFE rotors
- Bumper front body-color lower (Front bumper color will be high gloss black.)
- Bumper rear body-color with corner steps
- Capless Fuel Fill
- Cargo tie downs (12) fixed rated at 500 lbs per corner
- Center Console floor-mounted with cup holders cell phone storage power cord management hanging file folder capability
- Compass located in instrument cluster
- Cooling auxiliary external transmission oil cooler (Not available with (LM2) Duramax 3.0L Turbo-Diesel I6 engine.)
- Cooling external engine oil cooler (Not available with (LM2) Duramax 3.0L Turbo-Diesel I6 engine.)
- CornerStep rear bumper
- Cruise control steering wheel-mounted
- Defogger rear-window electric
- Door handles body-color
- Door locks power
- Driver Information Center 4.2" diagonal color display includes driver personalization
- Driver memory recalls driver "presets" for power driver seat and outside mirrors
- Engine 5.3L EcoTec3 V8 (355 hp [265 kW] @ 5600 rpm 383 lb-ft of torque [518 Nm] @ 4100 rpm); featuring available Dynamic Fuel Management that enables the engine to operate in 17 different patterns between 2 and 8 cylinders depending on demand to optimize power delivery and efficiency (Not available on TK10743 model.)
- Exhaust aluminized stainless-steel muffler and tailpipe
- Exhaust dual with premium tips (With (PCP) AT4 CarbonPro Edition the exhaust tips will be black.)
- Exterior Temperature Display located in radio display
- Floor covering color-keyed carpeting
- Fog lamps LED
- Four wheel drive
- Frame fully-boxed hydroformed front section
- Glass deep-tinted
- GMC Connected Access capable (Subject to terms. See onstar.com or dealer for details.)
- Grille (Body-color surround with high gloss Black mesh and Black chrome inserts. With (PCP) AT4 CarbonPro Edition the grille will have a unique grille surround with Black Chrome finish.)
- GVWR 7000 lbs. (3175 kg) (Requires Crew Cab model with (L84) 5.3L EcoTec3 V8 engine or (L87) 6.2L EcoTec3 V8 engine.)
- HD Radio (Standard on vehicles built before 7-12-2021. Certain vehicles built on or after 7-12-2021 will include (RG0) Not Equipped with HD Radio which removes (U2L) HD Radio. See dealer for details.)
- Headlamps LED reflector (high intensity) with LED turn signals and LED signature Daytime Running Lamps
- Hill Descent Control
- In-vehicle Trailering App System includes checklist trailer maintenance reminders trailer security alerts trailer mileage tow/haul reminder and trailer electrical diagnostics
- Instrument cluster 6-gauge cluster featuring speedometer fuel level engine temperature tachometer voltage and oil pressure
- Keyless Open and Start
- Lamps cargo area cab mounted integrated with center high mount stop lamp with switch in bank on left side of steering wheel
- LED Cargo Area Lighting located in cargo bed activated with switch on center switch bank or key fob
- Mirror caps high gloss Black (Deleted with (DQS) outside power adjustable vertical trailering mirrors and mirror caps will be chrome.)
- Mirror inside rearview auto-dimming
- Mirrors outside heated power-adjustable power-folding and driver-side auto-dimming puddle lamps side perimeter lighting and memory
- Pickup bed
- Power outlet bed mounted 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)
- Power outlet front auxiliary 12-volt
- Power outlet instrument panel 120-volt (400 watts shared with (KC9) bed mounted power outlet)
- Power outlet rear auxiliary 12-volt
- Premium Floor Liners with removable carpet insert front
- Premium Floor Liners with removable carpet insert rear
- ProGrade Trailering System includes (PZ8) Hitch Guidance with Hitch View and (U1D) In-vehicle Trailering App
- Rear axle 3.23 ratio
- Rear Seat Reminder
- Recovery hooks Red
- Remote vehicle starter system
- Seat adjuster driver 10-way power including lumbar
- Seat adjuster passenger 10-way power including lumbar
- Seat Up-level Rear with Storage Package 60/40 folding bench for Crew Cab models includes full-length bench seat seatback storage on left and right side center fold out armrest with 2 cupholders full cab width under-seat storage (includes child seat top tether anchor)
- Seating heated driver and front outboard passenger
- Seats front bucket with center console
- Seats ventilated driver and front passenger
- Skid Plates
- Steering column lock control electrical
- Steering column manual Tilt-Wheel and telescoping
- Steering Electric Power Steering (EPS) assist rack-and-pinion
- Steering wheel audio controls
- Steering wheel heated
- Steering wheel leather-wrapped
- Suspension Off-Road with 2" factory installed lift and monotube shocks
- Tailgate and bed rail protection caps top
- Tailgate gate function manual with EZ Lift includes power lock and release includes hitch area light
- Tailgate GMC MultiPro Tailgate with six functional load/access features
- Taillamps LED signature taillight with LED stop and reverse light
- Theft-deterrent system unauthorized entry
- Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
- Tire spare 265/70R17SL all-season blackwall
- Tires 265/65R18SL all-terrain blackwall
- Trailer brake controller integrated
- Trailering Package includes trailer hitch 7-pin and 4-pin connectors and (CTT) Hitch Guidance
- Transfer case two-speed electronic Autotrac with push button control (4WD models only)
- Transmission 10-speed automatic electronically controlled with overdrive and tow/haul mode. Includes Cruise Grade Braking and Powertrain Grade Braking (Most vehicles built on or after 6-7-2021 with a V8 engine and (MQB) 10-speed automatic transmission will have (NSS) Not Equipped with Automatic Stop/Start which removes Automatic Stop/Start and its content.)
- USB Ports (Inside Console with bucket seats) 2 also includes 1 SD card reader and auxiliary jack
- USB ports 2 (first row) located on instrument panel
- USB ports dual charge-only (2nd row)
- Wheel 17" x 8" (43.2 cm x 20.3 cm) full-size steel spare
- Wheelhouse liners rear
- Wheels 18" x 8.5" (45.7 cm x 21.6 cm) machined aluminum with Dark Grey accents
- Window power front passenger express up/down
- Windows power front drivers express up/down
- Windows power rear express down
- Wireless Phone Projection for Apple CarPlay and Android Auto
ABOUT THIS VEHICLE