Used 2021 GMCSierra 1500 SLT
- Diesel
- 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
Highlighted Features
- 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
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Included Packages & Accessories
- 6 Speakers
- AM/FM radio: SiriusXM with 360L
- Not Equipped w/HD Radio
- Premium audio system: GMC Infotainment System
- Radio data system
- Air Conditioning
- Automatic temperature control
- Front dual zone A/C
- Rear window defroster
- Memory seat
- Power driver seat
- Power steering
- Power windows
- Remote keyless entry
- Steering wheel mounted audio controls
- Heavy Duty Suspension
- Speed-sensing steering
- Traction control
- 4-Wheel Disc Brakes
- ABS brakes
- Dual front impact airbags
- Dual front side impact airbags
- Front anti-roll bar
- Front wheel independent suspension
- Low tire pressure warning
- Occupant sensing airbag
- Overhead airbag
- Brake assist
- Electronic Stability Control
- Delay-off headlights
- Front fog lights
- Fully automatic headlights
- Panic alarm
- Security system
- Theft Deterrent System (Unauthorized Entry)
- Speed control
- 220 Amp Alternator
- Engine Block Heater
- Auto-dimming door mirrors
- Bumpers: chrome
- Front License Plate Kit
- Heated door mirrors
- Power door mirrors
- Rear step bumper
- All-Weather Floor Liner (LPO)
- Apple CarPlay/Android Auto
- Auto-dimming Rear-View mirror
- Driver door bin
- Driver vanity mirror
- Front reading lights
- Heated steering wheel
- Illuminated entry
- Outside temperature display
- Overhead console
- Passenger vanity mirror
- Rear reading lights
- Rear seat center armrest
- Tachometer
- Telescoping steering wheel
- Tilt steering wheel
- Trip computer
- Voltmeter
- Heated front seats
- Perf Leather-Appointed Front Outboard Seat Trim
- Power passenger seat
- Split folding rear seat
- Front Center Armrest w/Storage
- Passenger door bin
- 20" x 9" Polished Aluminum Wheels
- Alloy wheels
- Variably intermittent wipers
- 3.23 Rear Axle Ratio
- Preferred Equipment Group 4SA
- Trailering Package
- X31 Off-Road & Protection Package
- X31 Off-Road Package
- 6-Speaker Audio System Feature
- Radio: Premium GMC Infotainment Sys w/Multi-Touch
- SiriusXM w/360L
- Steering Wheel Audio Controls
- Electric Rear-Window Defogger
- 12-Volt Rear Auxiliary Power Outlet
- 120-Volt Bed Mounted Power Outlet
- 120-Volt Instrument Panel Power Outlet
- Driver Memory
- Power Front Passenger Windows w/Express Up/Down
- Power Front Windows w/Driver Express Up/Down
- Power Rear Windows w/Express Down
- Remote Vehicle Starter System
- Auto-Locking Rear Differential
- Electrical Lock Control Steering Column
- Manual Tilt-Wheel & Telescoping Steering Column
- Off-Road Suspension
- Keyless Open & Start
- Power Door Locks
- Hill Descent Control
- Dual Exhaust w/Premium Tips
- 170 Amp Alternator
- Auxiliary External Transmission Oil Cooler
- Heavy-Duty Air Filter
- Chrome Grille
- LED Cargo Area Lighting
- ProGrade Trailering System
- Rear Wheelhouse Liners
- Spray-On Pickup Bed Liner w/GMC Logo
- X31 Hard Badge
- 4G LTE Wi-Fi Hotspot Capable
- Color-Keyed Carpeting Floor Covering
- Compass
- GMC Connected Access Capable
- OnStar & GMC Connected Services Capable
- Rear Dual USB Charging-Only Ports
- 10-Way Power Driver Seat Adjuster w/Lumbar
- 10-Way Power Passenger Seat Adjuster w/Lumbar
- Front 40/20/40 Split-Bench Seat
- Heated Driver & Front Outboard Passenger Seating
- Front Frame-Mounted Black Recovery Hooks
- Hitch Guidance
- Hitch Guidance w/Hitch View
- In-Vehicle Trailering App
- Integrated Trailer Brake Controller
- Deep-Tinted Glass
Detailed 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
Standard Features
- Spray-On Pickup Bed Liner w/GMC Logo
- Off-Road Suspension
- Hill Descent Control
- Heavy-Duty Air Filter
- X31 Hard Badge
- Dual Exhaust w/Premium Tips
- 10-Way Power Driver Seat Adjuster w/Lumbar
- 10-Way Power Passenger Seat Adjuster w/Lumbar
- Driver Memory
- Radio: Premium GMC Infotainment Sys w/Multi-Touch
- Compass
- Electric Rear-Window Defogger
- Power Door Locks
- Remote Vehicle Starter System
- Keyless Open & Start
- Color-Keyed Carpeting Floor Covering
- OnStar & GMC Connected Services Capable
- 4G LTE Wi-Fi Hotspot Capable
- GMC Connected Access Capable
- 12-Volt Rear Auxiliary Power Outlet
- 120-Volt Instrument Panel Power Outlet
- Rear Dual USB Charging-Only Ports
- Front 40/20/40 Split-Bench Seat
- Heated Driver & Front Outboard Passenger Seating
- Steering Wheel Audio Controls
- Manual Tilt-Wheel & Telescoping Steering Column
- Electrical Lock Control Steering Column
- Power Front Windows w/Driver Express Up/Down
- Power Front Passenger Windows w/Express Up/Down
- Power Rear Windows w/Express Down
- Deep-Tinted Glass
- Chrome Grille
- LED Cargo Area Lighting
- Front Frame-Mounted Black Recovery Hooks
- Rear Wheelhouse Liners
- Trailering Package
- ProGrade Trailering System
- 170 Amp Alternator
- Auxiliary External Transmission Oil Cooler
- Auto-Locking Rear Differential
- Integrated Trailer Brake Controller
- 120-Volt Bed Mounted Power Outlet
- 6-Speaker Audio System Feature
- SiriusXM w/360L
- Hitch Guidance
- Hitch Guidance w/Hitch View
- In-Vehicle Trailering App
Dealer Notes
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
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: Cyber Gray
Interior Color: Jet Black/Dark Ash
Vin Number: 1GCHTBE33F1142113
Stock: PT42113
View this 2015 Chevrolet Colorado Truck Extended Cab LT for sale at Napleton's Mazda in Urbana, IL
- Price
- $29,095
- Documentation Fee
- $377
- Delivery Fee
- $35
- Total Sale Price
- $29,507
- We're here to help: 217-367-1222
- We're here to help: 217-367-1222





