2021 GMC Sierra 1500 SLT
- Used
- Diesel
The overview
- Exterior Color
- Ebony Twilight
- Interior Color
- Jet Black
- Odometer
- 112,960 miles
- Fuel Economy
- 14/20 MPG City/Hwy
- Transmission
- 10-Speed Automatic
- Drivetrain
- 4x4
- Engine
- I-6 cyl
- VIN
- 3GTU9DET8MG443094
- Stock Number
- T453664A
The highlights
- Leather upholstery
- Automatic temperature control
- Wireless phone connectivity
- Front dual zone A/C
- Auto-dimming rearview mirror
- Split folding rear seat
- Memory seat
- Heated front seats
- Perimeter/approach lights
- Remote keyless entry
- Heated steering wheel
- Steering wheel mounted audio controls
The full specifications
- 1-touch down
- 1-touch up
- Air conditioning
- Auto-dimming rearview mirror
- Automatic temperature control
- Driver door bin
- Driver vanity mirror
- Front beverage holders
- Front dual zone A/C
- Heated steering wheel
- Illuminated entry
- Memory seat
- Overhead console
- Passenger door bin
- Passenger vanity mirror
- Power windows
- Proximity key: doors and push button start
- Rear beverage holders
- Rear door bins
- Remote engine start: keyfob
- Remote keyless entry
- Speed control
- Telescoping steering wheel
- Tilt steering wheel
- Alloy wheels
- Front anti-roll bar
- Front wheel independent suspension
- Power steering
- Speed-sensing steering
- 1st row LCD monitors: 2
- Primary LCD size: 8.0"
- Radio data system
- Smart device integration: Android Auto/Apple CarPlay
- Steering wheel mounted audio controls
- Wireless phone connectivity: Bluetooth
- Heated front seats
- Leather upholstery
- Power 2-way driver lumbar support
- Power 2-way passenger lumbar support
- Power driver seat
- Power passenger seat
- Rear seat center armrest
- Rear seats: split-bench
- Rear seats Folding position: fold-up cushion
- Seat Upholstery: leather
- Split folding rear seat
- Drive type: four-wheel
- Engine location: front
- Fuel economy city: 14mpg
- Fuel economy combined: 16mpg
- Fuel economy highway: 20mpg
- Fuel tank capacity: 24.0gal.
- Hybrid traction battery type: none
- Manual-shift auto
- Mode select transmission
- Rear locking differential
- Standard fuel economy fuel type: gasoline
- Variable valve control
- Ground clearance (min): 205mm (8.1")
- Auto-dimming door mirrors
- Bumpers: chrome
- Door mirrors: chrome
- Heated door mirrors
- Left rear passenger door: conventional
- Power door mirrors
- Rear cargo: tailgate
- Rear step bumper
- Right rear passenger: conventional
- Trailer hitch receiver
- Trailer sway control
- Exterior body width: 2,063mm (81.2")
- Exterior height: 1,918mm (75.5")
- Exterior length: 5,885mm (231.7")
- Front headroom: 1,093mm (43.0")
- Front hiproom: 1,554mm (61.2")
- Front legroom: 1,131mm (44.5")
- Front shoulder room: 1,677mm (66.0")
- Rear headroom: 1,019mm (40.1")
- Rear hiproom: 1,530mm (60.2")
- Rear legroom: 1,102mm (43.4")
- Rear shoulder room: 1,655mm (65.2")
- Wheelbase: 3,744mm (147.4")
- Appearance: analog
- Compass
- Delay-off headlights
- Front fog lights
- Front reading lights
- Fully automatic headlights
- Low tire pressure warning
- Oil pressure gauge
- Outside temperature display
- Rear reading lights
- Rear window defroster
- Tachometer
- Trip computer
- Variably intermittent wipers
- Voltmeter
- 4 wheel disc brakes
- ABS brakes
- Brake assist
- Dual front impact airbags
- Dual front side impact airbags
- Electronic stability
- Ignition disable
- Occupant sensing airbag
- Overhead airbag
- Panic alarm
- Perimeter/approach lights
- Security system
- Traction control
Notes from the dealer
3.0L DURAMAX TURBO-DIESEL! 4X4! X31 OFF-ROAD & PROTECTION PACKAGE! 36 CARFAX SERVICE HISTORY RECORDS! 20-INCH POLISHED ALUMINUM WHEELS! GMC MULTIPRO TAILGATE! CREW CAB! $60,270 ORIGINAL MSRP!
Experience premium GMC comfort, impressive diesel performance, and serious truck capability in this 2021 GMC Sierra 1500 SLT Crew Cab 4WD, finished in stunning Ebony Twilight Metallic with a Jet Black interior!
3.0L DURAMAX TURBO-DIESEL! Powered by GMC's 3.0-liter inline-six diesel engine producing 277 horsepower and an impressive 460 lb-ft of torque. Enjoy strong low-end pulling power, smooth highway performance, and excellent diesel efficiency.
26 MPG HIGHWAY! EPA-estimated 22 MPG city and 26 MPG highway delivers an impressive combination of efficiency and full-size truck capability.
X31 OFF-ROAD & PROTECTION PACKAGE! Equipped with off-road suspension, skid plates, hill descent control, a high-capacity air filter, and distinctive X31 badging.
FOUR-WHEEL DRIVE! The electronic AutoTrac four-wheel-drive system provides additional capability for changing weather and road conditions.
20-INCH POLISHED ALUMINUM WHEELS! Premium factory wheels paired with all-terrain tires give this Sierra a bold, upscale appearance.
GMC MULTIPRO TAILGATE! The innovative six-function tailgate provides multiple configurations for loading, unloading, and accessing the pickup bed.
FACTORY SPRAY-ON BEDLINER! Added protection for everyday work, hauling, and recreation.
SPACIOUS CREW CAB! Enjoy generous passenger room, convenient rear-seat storage, and a comfortable interior.
HEATED STEERING WHEEL! A welcome feature for cold Illinois mornings.
10-WAY POWER FRONT SEATS! Driver and front passenger enjoy power-adjustable seating with lumbar support.
DUAL-ZONE AUTOMATIC CLIMATE CONTROL! Personalized comfort for driver and front passenger.
REMOTE START! Conveniently start your truck before heading out.
FACTORY TRAILER BRAKE CONTROLLER! Integrated trailer brake controls add convenience when towing a properly equipped trailer.
IN-VEHICLE TRAILERING APP! Helpful features include trailering checklists, maintenance reminders, and trailer electrical diagnostics.
36 CARFAX SERVICE HISTORY RECORDS! This Sierra has an extensive documented service history, including regular oil changes, fuel filter replacements, tire rotations, and drivetrain maintenance.
MAJOR DRIVETRAIN MAINTENANCE DOCUMENTED! CARFAX reports transmission fluid service, transfer case service, and front and rear differential fluid changes completed in January 2026.
RECENT SERVICE HISTORY! CARFAX also documents a coolant service and radiator replacement in October 2026.
$60,270 ORIGINAL MSRP! A premium factory-equipped Sierra with the desirable Duramax diesel engine and X31 Off-Road and Protection Package.
Whether you're searching for a comfortable daily driver, a capable work truck, or a premium diesel pickup, this 2021 GMC Sierra 1500 SLT Duramax 4X4 deserves a closer look!
DURAMAX DIESEL! X31 OFF-ROAD! 4X4! 36 SERVICE RECORDS! MULTIPRO TAILGATE! 20-INCH WHEELS!
Visit Napleton's Toyota of Urbana, located at 1111 Napleton Way, Urbana, IL 61802, and schedule your test drive today!
- X31 Off-Road & Protection Package with off-road suspension and hill descent control
- ProGrade Trailering System with integrated trailer brake controller and hitch guidance
- Spray-On Pickup Bed Liner with GMC Logo and dual exhaust with premium tips
- Heated leather front seats with 10-way power driver and passenger seat adjusters
- Apple CarPlay and Android Auto with GMC Infotainment System and SiriusXM 360L
- 20" polished aluminum wheels with all-terrain capability
- Keyless open and start with remote vehicle starter system
- Front frame-mounted black recovery hooks and au
KBB.com Consumer Reviews
Dealer not responsible for typographical errors. Pictures are for illustration purposes only. All vehicles subject to prior sales. See dealer for details. MSRP may not be price at which vehicle is sold in trade area. New car prices include applicable manufacturer incentives in lieu of special financing. Plus tax, title & license. New vehicle MPGs are EPA’s estimated highway MPG’s. New vehicle MPGe/EPA Range Rating are based on EPA Range Rating. See dealer for copy of limited warranty. Used car prices plus tax, title & license. Used car MPG claims are based on EPA estimated city and highway ratings when vehicle was new. Used vehicle MPGe/EPA Range Rating are based on EPA Range Rating when vehicle was new. Consumers actual mileage will vary. The value of used vehicles varies with mileage, usage and condition. Book values should be considered estimates only.
Exterior Color: Black
Interior Color: Ebony
Vin Number: 3GNCA63X78S661249
Stock: T734216A
View this used 2008 Chevrolet HHR SUV SS for sale at Napleton's Mitsubishi in Urbana, IL
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