
2021 GMC Sierra 1500
Mileage: 98,973 · Opelousas, LA
$2,444 Below market
2021 GMC Sierra 1500 SLT Crew Cab 4WD
Opelousas, LA
$32,384
Dealer rating
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Features
Mileage
98,973
Drivetrain
Four-Wheel Drive
Exterior color
Gray (Satin Steel Metallic)
Interior color
Dark Walnut/Slate
MPG
17 MPG
Engine
355 hp 5.3L V8
Fuel type
Gasoline
Transmission
8-Speed Automatic
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Overview
- Make:GMC
- Model:Sierra 1500
- Year:2021
- Trim:SLT
- Body type:Pickup Truck
- Exterior color:Gray (Satin Steel Metallic)
- Interior color:Dark Walnut/Slate
- Mileage:98,973 mi
- Condition:Used
- VIN:3GTU9DED4MG462623
- Stock number:G23022A
Fuel economy
- Fuel tank size:24 gal
- Combined gas mileage:17 MPG
- City gas mileage:14 MPG
- Highway gas mileage:20 MPG
- Fuel type:Gasoline
Performance
- Transmission:8-Speed Automatic
- Drivetrain:Four-Wheel Drive
- Engine:355 hp 5.3L V8
- Horsepower:355 hp
Safety
- NHTSA overall safety rating:
- NHTSA frontal crash rating:
- NHTSA side crash rating:
- NHTSA rollover rating:
Measurements
- Doors:4 doors
- Front legroom:44 in
- Back legroom:43 in
- Cabin size:Crew Cab
- Cargo volume:69 in
Options
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History
Clean title
No issues reported.
1 accident reported
No damage reported.
1 previous owner
Vehicle has one previous owner.
Pricing

Price decreased
36 days at this dealership

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Dealer
Dealer reviews
Dealer's description
EPA 20 MPG Hwy/16 MPG City! Extra Clean, CARFAX 1-Owner. Serviced here, Non-Smoker vehicle, Originally bought here AND MORE!
KEY FEATURES INCLUDE
Leather Seats, 4x4, Heated Driver Seat, Back-Up Camera, Onboard Communications System, Trailer Hitch, Chrome Wheels, Remote Engine Start, Dual Zone A/C, WiFi Hotspot, Heated Seats, Heated Leather Seats Privacy Glass, Keyless Entry, Steering Wheel Controls, Electronic Stability Control, Alarm.
OPTION PACKAGES
X31 OFF-ROAD AND PROTECTION PACKAGE includes (X31) Off-Road Package, (CGN) spray-on bedliner and (RIA) All-weather floor liners, LPO Includes (NZM) 20 Polished aluminum wheels and (QAE) 275/60R20 all-terrain, blackwall tires. ASSIST STEPS, CHROME WHEEL TO WHEEL, AUDIO SYSTEM, PREMIUM GMC INFOTAINMENT SYSTEM WITH 8 DIAGONAL COLOR TOUCH-SCREEN, INCLUDES MULTI-TOUCH DISPLAY, AM/FM STEREO Bluetooth® streaming audio for music and most phones; featuring wireless Android Auto® and Apple CarPlay® capability for compatible phones, advanced voice recognition, in-vehicle apps, personalized profiles for infotainment and vehicle settings (Note: (PZ8) Hitch Guidance with hitch view is included with trim. Includes SiriusXM with 360L.) (STD), 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 (STD), TRANSMISSION, 8-SPEED AUTOMATIC, ELECTRONICALLY CONTROLLED with overdrive and tow/haul mode. Includes Cruise Grade Braking and Powertrain Grade Braking (STD). GMC SLT with Satin Steel Metallic exterior and Dark Walnut/Slate interior features a 8 Cylinder Engine with 355 HP at 5600 RPM*. Serviced here, Non-Smoker vehicle, Originally bought here
VEHICLE REVIEWS
Great Gas Mileage: 20 MPG Hwy.
WHY BUY FROM US
You save at Sterling Buick GMC.
Pricing analysis performed on 8/24/2026. Horsepower calculations based on trim engine configuration. Fuel economy calculations based on original manufacturer data for trim engine configuration. Please confirm the accuracy of the included equipment by calling us prior to purchase.
Additional Information
4-Wheel Disc Brakes,8 Cylinder Engine,8-Speed A/T,A/C,ABS,Adjustable Steering Wheel,AM/FM Stereo,Apple CarPlay,Auto-Dimming Rearview Mirror,Auxiliary Audio Input,Back-Up Camera,Bed Liner,Chrome Wheels,Conventional Spare Tire,Cruise Control,Daytime Running Lights,Driver Adjustable Lumbar,Driver Air Bag,Floor Mats,Fog Lamps,Four Wheel Drive,Front Head Air Bag,Gasoline Fuel,Heated Mirrors,Heated Seats,Heated Steering Wheel,Keyless Entry,Leather Seats,Leather Steering Wheel,Locking/Limited Slip Differential,Mirror Memory,MP3 Player,Multi-Zone A/C,Pass-Through Rear Seat,Passenger Adjustable Lumbar,Passenger Air Bag,Power Door Locks,Power Driver Seat,Power Mirror(s),Power Outlet,Power Passenger Seat,Power Steering,Power Windows,Privacy Glass,Rear Defrost,Rear Head Air Bag,Remote Start,Running Boards/Side Steps,Satellite Radio,Seat Memory,Security System,Sliding Rear Window,Smart Device Integration,Split Bench Seat,Stability Control,Steering Wheel Audio Controls,Telematics,Tire Pressure Monitor,Tires - Front All-Season,Tires - Rear All-Season,Tow Hitch,Tow Hooks,Wheel Locks,WiFi Hotspot
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