3.0L DURAMAX TURBO-DIESEL I6 SLT CREW CAB 4WD 10-SPEED AUTOMATIC TRANSMISSION X31 OFF-ROAD PACKAGE SLT PREMIUM PACKAGE LEATHER-APPOINTED INTERIOR HEAT… Read More…
3.0L DURAMAX TURBO-DIESEL I6 SLT CREW CAB 4WD 10-SPEED AUTOMATIC TRANSMISSION X31 OFF-ROAD PACKAGE SLT PREMIUM PACKAGE LEATHER-APPOINTED INTERIOR HEATED FRONT SEATS HEATED STEERING WHEEL GMC INFOTAINMENT SYSTEM WITH 8" TOUCHSCREEN APPLE CARPLAY & ANDROID AUTO BOSE PREMIUM AUDIO DUAL-ZONE AUTOMATIC CLIMATE CONTROL REMOTE START SILVER METALLIC, Efficient Duramax Diesel Power One-Owner Illinois Truck Premium SLT Comfort & Capability. The 2020 GMC Sierra 1500 SLT Crew Cab 4WD delivers premium refinement, outstanding capability, and exceptional diesel efficiency in one of GMC's most impressive full-size pickups. Powered by the highly sought-after 3.0L Duramax Turbo-Diesel inline-six engine paired with a smooth 10-speed automatic transmission, this Sierra delivers outstanding torque, impressive towing capability, and remarkable fuel economy while providing a quiet, refined driving experience. Finished in elegant Silver Metallic with a Jet Black leather-appointed interior, this Sierra features bold GMC styling with chrome exterior accents, LED signature lighting, LED fog lamps, chrome bumpers, power-folding heated mirrors, EZ Lift & Lower tailgate, polished aluminum wheels, and the rugged X31 Off-Road Package that gives it the confidence to tackle challenging terrain while maintaining a premium appearance. Inside, the spacious Crew Cab offers premium comfort with leather-appointed seating, heated front bucket seats, heated leather-wrapped steering wheel, power-adjustable driver and passenger seats with memory, dual-zone automatic climate control, remote start, power sliding rear window, wireless charging, multiple USB ports, and generous interior space for both passengers and cargo. Technology includes GMC's Infotainment System with an 8-inch touchscreen, Apple CarPlay, Android Auto, Bluetooth hands-free connectivity, Bose premium audio system, SiriusXM capability, HD Rear Vision Camera, wireless phone projection, available Wi-Fi hotspot capability, steering wheel-mounted controls, and advanced connectivity features that make every drive more enjoyable. Built to perform, this Sierra is equipped with the X31 Off-Road Package, Autotrac two-speed transfer case, Hill Descent Control, off-road suspension, skid plates, locking rear differential, integrated trailer brake controller, trailer sway control, StabiliTrak with Electronic Stability Control, and a durable high-strength steel frame that's ready for towing, hauling, or weekend adventures. This Sierra has only 33,394 miles and comes with a CARFAX 1-Owner history. It has spent its entire life as a personal vehicle in Illinois, averaging just 5,891 miles per year. The CARFAX also documents 12 service history records, no title issues, no open recalls, and consistent servicing at the original selling dealership. Service history reflects meticulous maintenance performed primarily by Woody Buick GMC, where the truck was originally sold. Records include regular oil and filter changes completed according to GM's recommended maintenance schedule, tire rotations, maintenance inspections, four-wheel alignment, engine inspections, coolant checks, maintenance reminder resets, fluid inspections, and recent servicing with an oil and filter change completed in April 2026..Blue Certification: This vehicle is covered by Ford’s BLUE Certified Program and includes a 90-Day/4,000-Mile Comprehensive Warranty, 24-Hour Roadside Assistance, Local Home Delivery, and much more!Price excludes tax, title & license. Read Less
Chassis Details
Mileage
35,654
Stock Number
26FK847A
Stock Type
Used
Year
2020
Make
GMC
Model
Sierra 1500
Class
2
Drivetrain
4WD
Cab-to-Axle
33
Wheelbase
147.4
Cab Type
Crew
Vehicle Trim
SLT
Vehicle VIN
1GTU9DET7LZ273809
Interior Color
Jet Black
Seating Capacity
6
Exterior Color Description
Quicksilver Metallic
Engine Cylinder Count
6
Transmission Type
Automatic
Fuel Type
Diesel
Engine Model
LM2
Engine Size (L)
3.0
Brake Type
Hydraulic
MPG City/Hwy
22/26
Vehicle Options
Driver Alert Package I
Driver Alert Package II
Preferred Equipment Group 4SA
SLT Convenience Package
SLT Preferred Package
SLT Premium Plus Package
Trailering Package
6 Speakers
6-Speaker Audio System Feature
AM/FM radio: SiriusXM with 360L
HD Radio
Premium audio system: GMC Infotainment System
Premium Bose 7-Speaker Sound System
Radio data system
Radio: Premium GMC Infotainment Sys w/Multi-Touch
Radio: Premium GMC Infotainment Sys w/Navigation
SiriusXM w/360L
Steering Wheel Audio Controls
Air Conditioning
Automatic temperature control
Electric Rear-Window Defogger
Front dual zone A/C
Rear window defroster
12-Volt Rear Auxiliary Power Outlet
120-Volt Bed Mounted Power Outlet
120-Volt Instrument Panel Power Outlet
Driver Memory
Memory seat
Power driver seat
Power Front Passenger Windows w/Express Up/Down
Power Front Windows w/Driver Express Up/Down
Power Rear Windows w/Express Down
Power steering
Power windows
Remote keyless entry
Remote Vehicle Starter System
Steering wheel mounted audio controls
Universal Home Remote
Electrical Lock Control Steering Column
Heavy Duty Suspension
Manual Tilt-Wheel & Telescoping Steering Column
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
Keyless Open & Start
Low tire pressure warning
Occupant sensing airbag
Overhead airbag
Power Door Locks
Brake assist
Electronic Stability Control
Delay-off headlights
Front fog lights
Fully automatic headlights
Perimeter Lighting
Panic alarm
Security system
Theft Deterrent System (Unauthorized Entry)
Adaptive Cruise Control - Camera
Speed control
Heavy-Duty Rear Locking Differential
170 Amp Alternator
220 Amp Alternator
Auxiliary External Transmission Oil Cooler
Engine Block Heater
Auto-dimming door mirrors
Bumpers: chrome
Chrome Grille
Chrome Wheel To Wheel Assist Steps
Heated door mirrors
IntelliBeam Automatic High Beam On/Off
LED Cargo Area Lighting
Power door mirrors
ProGrade Trailering System
Rear step bumper
Rear Wheelhouse Liners
Spray-On Pickup Bed Liner w/GMC Logo
2 USB Ports
2 USB Ports (1st Row)
4G LTE Wi-Fi Hotspot Capable
All-Weather Floor Liner (LPO)
Apple CarPlay/Android Auto
Auto-dimming Rear-View mirror
Automatic Emergency Braking
Color-Keyed Carpeting Floor Covering
Compass
Driver door bin
Driver vanity mirror
Floor-Mounted Center Console
Following Distance Indicator
Forward Collision Alert
Front Pedestrian Braking
Front reading lights
GMC Connected Access Capable
Heated steering wheel
Illuminated entry
Lane Change Alert w/Side Blind Zone Alert
Lane Keep Assist w/Lane Departure Warning
OnStar & GMC Connected Services Capable
Outside temperature display
Overhead console
Passenger vanity mirror
Rear Cross Traffic Alert
Rear Dual USB Charging-Only Ports
Rear reading lights
Rear seat center armrest
Safety Alert Seat
Tachometer
Telescoping steering wheel
Tilt steering wheel
Trip computer
Ultrasonic Front & Rear Park Assist
Voltmeter
Wireless Charging
10-Way Power Driver Seat Adjuster w/Lumbar
10-Way Power Passenger Seat Adjuster w/Lumbar
Front 40/20/40 Split-Bench Seat
Front Bucket Seats
Heated 2nd Row Outboard Seats
Heated Driver & Front Outboard Passenger Seating
Heated front seats
Perforated Leather-Appointed Front Seat Trim
Power passenger seat
Split folding rear seat
Ventilated Driver & Front Passenger Seats
Front Center Armrest w/Storage
Passenger door bin
Tri-Fold Hard Tonneau Cover (LPO)
Front Frame-Mounted Black Recovery Hooks
Hitch Guidance
Hitch Guidance w/Hitch View
In-Vehicle Trailering App
Integrated Trailer Brake Controller
20" x 9" Polished Aluminum Wheels
Alloy wheels
Wheels: 18" x 8.5" 6-Spoke Machined Aluminum
Deep-Tinted Glass
Power Sliding Rear Window w/Rear Defogger
Variably intermittent wipers
3.23 Rear Axle Ratio
3.0L DURAMAX TURBO-DIESEL I6 SLT CREW CAB 4WD 10-SPEED AUTOMATIC TRANSMISSION X31 OFF-ROAD PACKAGE SLT PREMIUM PACKAGE LEATHER-APPOINTED INTERIOR HEATED FRONT SEATS HEATED STEERING WHEEL GMC INFOTAINMENT SYSTEM WITH 8" TOUCHSCREEN APPLE CARPLAY & ANDROID AUTO BOSE PREMIUM AUDIO DUAL-ZONE AUTOMATIC CLIMATE CONTROL REMOTE START SILVER METALLIC, Efficient Duramax Diesel Power One-Owner Illinois Truck Premium SLT Comfort & Capability. The 2020 GMC Sierra 1500 SLT Crew Cab 4WD delivers premium refinement, outstanding capability, and exceptional diesel efficiency in one of GMC's most impressive full-size pickups. Powered by the highly sought-after 3.0L Duramax Turbo-Diesel inline-six engine paired with a smooth 10-speed automatic transmission, this Sierra delivers outstanding torque, impressive towing capability, and remarkable fuel economy while providing a quiet, refined driving experience. Finished in elegant Silver Metallic with a Jet Black leather-appointed interior, this Sierra features bold GMC styling with chrome exterior accents, LED signature lighting, LED fog lamps, chrome bumpers, power-folding heated mirrors, EZ Lift & Lower tailgate, polished aluminum wheels, and the rugged X31 Off-Road Package that gives it the confidence to tackle challenging terrain while maintaining a premium appearance. Inside, the spacious Crew Cab offers premium comfort with leather-appointed seating, heated front bucket seats, heated leather-wrapped steering wheel, power-adjustable driver and passenger seats with memory, dual-zone automatic climate control, remote start, power sliding rear window, wireless charging, multiple USB ports, and generous interior space for both passengers and cargo. Technology includes GMC's Infotainment System with an 8-inch touchscreen, Apple CarPlay, Android Auto, Bluetooth hands-free connectivity, Bose premium audio system, SiriusXM capability, HD Rear Vision Camera, wireless phone projection, available Wi-Fi hotspot capability, steering wheel-mounted controls, and advanced connectivity features that make every drive more enjoyable. Built to perform, this Sierra is equipped with the X31 Off-Road Package, Autotrac two-speed transfer case, Hill Descent Control, off-road suspension, skid plates, locking rear differential, integrated trailer brake controller, trailer sway control, StabiliTrak with Electronic Stability Control, and a durable high-strength steel frame that's ready for towing, hauling, or weekend adventures. This Sierra has only 33,394 miles and comes with a CARFAX 1-Owner history. It has spent its entire life as a personal vehicle in Illinois, averaging just 5,891 miles per year. The CARFAX also documents 12 service history records, no title issues, no open recalls, and consistent servicing at the original selling dealership. Service history reflects meticulous maintenance performed primarily by Woody Buick GMC, where the truck was originally sold. Records include regular oil and filter changes completed according to GM's recommended maintenance schedule, tire rotations, maintenance inspections, four-wheel alignment, engine inspections, coolant checks, maintenance reminder resets, fluid inspections, and recent servicing with an oil and filter change completed in April 2026.
Price above does not include any of the Build & Quote options.
Vehicle available NOW in Kenosha, WI.
Contact Gordie Boucher Ford of Kenosha for more info.
Disclaimer:
May not represent actual vehicle. (Options, colors, trim and body style may vary)
*Any MPG listed is based on model year EPA mileage ratings. Use for comparison purposes only. Your actual mileage will vary, depending on how you drive and maintain your vehicle, driving conditions, battery pack age/condition (hybrid only) and other factors.
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