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2021 GMC Yukon XL SLT
Vehicle Details
Body Style
SUV
Engine
3.0L 6Cyl
Exterior Colour
Gray
Interior Colour
Black
Transmission
Automatic
Drivetrain
4×4
Stock #
25-390A
2021 GMC Yukon SLT Diesel 4x4 – Full-Size SUV, 3rd Row Seating
Elevate every journey with the refined strength of the 2021 GMC Yukon SLT Diesel 4x4. This full-size SUV combines bold capability with premium comfort and cutting-edge technology—perfect for families, towing, and road-tripping in style. Finished in Satin Steel Metallic with a Jet Black Leather interior, this Yukon delivers upscale utility and undeniable presence.
Key Features:
Power & Capability:
• 3.0L Duramax Turbo-Diesel I6 Engine • 10-speed automatic transmission • 4x4 drivetrain with electronic precision shift • Max towing up to 7,700 lbs with Hitch Guidance • Premium Smooth Ride Suspension with Limited Slip Rear Differential
Luxury Appointments:
• Heated & Ventilated Front Bucket Seats with 8-Way Power Adjustment • Heated 2nd Row Bucket Seats (Power Release) & Power Folding 3rd Row • Heated, Power Tilt & Telescoping Steering Wheel with Memory • Dual-pane panoramic power sunroof • Hands-free power liftgate and keyless entry/start • Wireless charging and dual 120V outlets
Technology & Safety:
• GMC Premium Infotainment System with 10.2" HD Touchscreen & Navigation • Rear-Seat Media System with Dual 12.6" HD Touchscreens • Wireless Apple CarPlay® & Android Auto™ • HD Surround Vision & Rear Camera Mirror • Advanced Driver Safety Features: Forward Collision Alert, Lane Keep Assist, Rear Cross Traffic Alert, Blind Zone Alert, Automatic Emergency Braking, and more • Teen Driver Mode & Safety Alert Driver Seat
Standout Style:
• 22" Gloss Black Multi-Spoke Wheels (Dealer Installed) • Chrome door handles, roof rails, and exterior accents • Illuminated GMC Emblems (Front & Mirrors – Dealer Installed) • LED Headlamps, Fog Lamps, and Tail Lights • Power-folding heated mirrors with turn signals & auto-dimming • Deep-tinted glass, rain-sensing wipers & sleek Satin Steel finish
This 2021 Yukon SLT Diesel blends luxury, space, and torque-rich diesel power in a sophisticated, road-ready SUV that’s as capable as it is comfortable.
Why Choose Stetson GM?
At Stetson GM, we offer top-quality vehicles backed by unmatched customer service. Visit www.stetsongm.com to book your test drive today and experience the 2021 GMC Yukon SLT 4x4 Diesel for yourself!
Packages & Options
Standard Equipment
Technical Specifications
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AM/FM Stereo
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Auxiliary Audio Input
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Bluetooth Connection
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MP3 Player
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Requires Subscription
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Satellite Radio
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Smart Device Integration
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Premium Sound System
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HD Radio
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WiFi Hotspot
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Aluminum Wheels
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Tires - Front All-Season
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Tires - Rear All-Season
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Conventional Spare Tire
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Tire carrier, lockable outside spare winch-type mounted under frame at rear
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Luggage Rack
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Active Aero Shutters, upper (Standard with (L84) 5.3L EcoTec3 V8 engine only.)
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Mouldings, bright chrome bodyside
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Fascia, front
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Running Boards/Side Steps
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Fog Lamps
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Lamps, stop and tail, LED
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Heated Mirrors
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Power Mirror(s)
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Mirror caps, body-colour
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Glass, acoustic, laminated windshield
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Glass, windshield shade band
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Privacy Glass
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Glass, driver and front passenger laminated front door window
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Intermittent Wipers
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Rain Sensing Wipers
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Variable Speed Intermittent Wipers
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Wiper, rear intermittent
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Power Liftgate
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Remote Trunk Release
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Bucket Seats
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Pass-Through Rear Seat
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Rear Bench Seat
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Door handles, chrome with body-colour strip
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Leather Seats
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Seat Memory
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3rd Row Seat
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Heated Front Seat(s)
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Cooled Front Seat(s)
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Driver Adjustable Lumbar
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Passenger Adjustable Lumbar
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Power Driver Seat
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Power Passenger Seat
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Safety Alert Seat
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Console, floor with storage area, cup holders
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Floor Mats
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Floor covering, colour-keyed carpeting
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Adjustable Steering Wheel
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Leather Steering Wheel
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Cruise Control
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Front Collision Warning
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Steering Wheel Audio Controls
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Bluetooth Connection
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Smart Device Integration
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Power Windows
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Power Door Locks
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Keyless Entry
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Remote Engine Start
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Universal Garage Door Opener
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Wireless charging (Standard on vehicles built before 7-12-2021. Vehicles built on or after 7-12-2021, will have (00C) Not Equipped with Wireless Charging which removes Wireless Charging and its content. See dealer for details. The system wirelessly charges one compatible mobile device. Some phones have built-in wireless charging technology and others require a special adaptor/back cover. To check for phone or other device compatibility, see my.gmc.com/learnAbout/wireless-charging or consult your carrier.)
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Auxiliary Audio Input
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MP3 Player
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USB charging-only ports, 4, (2) located on rear of centre console and (2) in 3rd row
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A/C
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Climate Control
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Multi-Zone A/C
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Rear A/C
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Rear Defrost
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Security System
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Power outlets, 2, 120-volt located on the rear of the centre console and rear cargo area
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Power outlet, front auxiliary, 12-volt, located in the centre stack of instrument panel
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Auto-Dimming Rearview Mirror
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Driver Illuminated Vanity Mirror
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Driver Vanity Mirror
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Passenger Illuminated Visor Mirror
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Passenger Vanity Mirror
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Assist handles, overhead, driver and front passenger, located in headliner
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Assist handles, front passenger A-pillar and second row outboard B-pillar
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Lighting, interior with dome light driver- and passenger-side door switch with delayed entry feature, cargo lights, door handle or Remote Keyless Entry-activated illuminated entry and map lights in front and second seat positions
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8 Cylinder Engine
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Gasoline Fuel
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10-Speed A/T
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A/T
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Rear axle, 3.23 ratio
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GVWR, 7700 lbs. (3493 kg) (Standard on 4WD models and on 2WD models with (LM2) Duramax 3.0L Turbo-Diesel I6 engine.)
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Keyless Start
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Engine control, stop/start system disable button, non-latching (Standard on vehicles built before 6-7-2021. Most vehicles built on or after 6-7-2021 equipped with a V8 engine will have (NSS) Not Equipped with Automatic Stop/Start, which removes Automatic Stop/Start, Engine control stop/start disable button and its content. See dealer for details.)
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Engine air filtration monitor
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Locking/Limited Slip Differential
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Electronic Precision Shift
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Transfer case, active, single-speed, electronic Autotrac does not include neutral. Cannot be dinghy towed. (4WD models only. Not available with (NHT) Max Trailering Package.)
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Battery, 800 cold-cranking amps (Standard with (L84) 5.3L EcoTec3 V8 engine only.)
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Four Wheel Drive
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Tow Hitch
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Cooling, auxiliary external transmission oil cooler, heavy-duty air-to-oil
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Cooling, external engine oil cooler, heavy-duty air-to-oil integral to driver side of radiator (Deleted when (LM2) Duramax 3.0L Turbo-Diesel I6 engine is ordered.)
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Air Suspension
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Suspension, front coil-over-shock with stabilizer bar
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Suspension, rear multi-link with coil springs
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Power Steering
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4-Wheel Disc Brakes
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ABS
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Exhaust, single system, single-outlet
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Automatic Highbeams
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Blind Spot Monitor
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Cross-Traffic Alert
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Front Collision Mitigation
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Front Collision Warning
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Lane Departure Warning
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Lane Keeping Assist
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Rear Parking Aid
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Automatic Highbeams
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Front Collision Mitigation
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Front Collision Warning
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Hill Start Assist
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Brake Assist
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Stability Control
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Traction Control
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Daytime Running Lights
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Driver Air Bag
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Front Head Air Bag
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Front Side Air Bag
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Passenger Air Bag
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Rear Head Air Bag
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Passenger Air Bag Sensor
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Requires Subscription
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Telematics
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Rear Parking Aid
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Cross-Traffic Alert
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Lane Departure Warning
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Lane Keeping Assist
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Back-Up Camera
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Hitch Guidance
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Blind Spot Monitor
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Driver Restriction Features
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Tire Pressure Monitor
No matches were found.
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Vehicle NameGMC Yukon XL
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Body StyleSport Utility Vehicle
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DrivetrainFour Wheel Drive
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Trans Order CodeMQC
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Trans Type10
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Trans Description Cont.Automatic
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Transfer Case ModelMagna
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Transfer Case Gear Ratio (:1), High1.00
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Passenger Capacity8
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Front Head Room (in)42.3
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Front Leg Room (in)44.5
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Front Shoulder Room (in)66
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Front Hip Room (in)61.5
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Second Head Room (in)38.9
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Second Leg Room (in)42
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Second Shoulder Room (in)64.8
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Second Hip Room (in)61.3
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Third Head Room (in)38.2
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Third Leg Room (in)36.7
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Third Shoulder Room (in)62.8
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Third Hip Room (in)49.4
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Gross Axle Wt Rating - Front (lbs)3800
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Gross Axle Wt Rating - Rear (lbs)4300
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Curb Weight - Front (lbs)3003
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Curb Weight - Rear (lbs)2680
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Gross Vehicle Weight Rating Cap (lbs)7700
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Gross Combined Wt Rating (lbs)14000
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EnerGuide Estimate - City (L/100 km)15.3
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EnerGuide Estimate - Hwy (L/100 km)12.4
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G/km Of CO2 Emissions328
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Dead Weight Hitch - Max Trailer Wt. (lbs)5000
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Dead Weight Hitch - Max Tongue Wt. (lbs)500
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Wt Distributing Hitch - Max Trailer Wt. (lbs)7500
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Wt Distributing Hitch - Max Tongue Wt. (lbs)750
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Maximum Trailering Capacity (lbs)8000
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Engine Order CodeL84
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Engine TypeGas V8
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Displacement5.3L
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Fuel SystemDirect Injection
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SAE Net Horsepower @ RPM355 @ 5600
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SAE Net Torque @ RPM383 @ 4100
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Cold Cranking Amps @ 0° F (Primary)800
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Maximum Alternator Capacity (amps)220
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Frame TypeLadder
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Suspension Type - FrontCoil-Over Shock
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Suspension Type - RearMulti-Link
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Axle Type - FrontIndependent
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Axle Type - RearSemi-Floating
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Axle Ratio (:1) - Front3.23
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Axle Ratio (:1) - Rear3.23
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Front Tire Order CodeXCI
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Rear Tire Order CodeXCI
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Spare Tire Order CodeXCQ
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Front Tire Size275/60R20
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Rear Tire Size275/60R20
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Spare Tire SizeP265/70R17
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Front Wheel Size (in)20 x 9
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Rear Wheel Size (in)20 x 9
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Spare Wheel Size (in)17
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Front Wheel MaterialAluminum
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Rear Wheel MaterialAluminum
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Spare Wheel MaterialSteel
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Steering TypePwr Rack & Pinion
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Turning Diameter - Curb to Curb (ft)43.3
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Brake TypePwr
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Brake ABS System4-Wheel
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Disc - FrontYes
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Disc - RearYes
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Front Brake Rotor Diam x Thickness (in)17
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Rear Brake Rotor Diam x Thickness (in)17
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Fuel Tank Capacity, Approx (L)106
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Wheelbase (in)134.1
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Length, Overall (in)225.2
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Width, Max w/o mirrors (in)81
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Height, Overall (in)76.5
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Rear Door TypeLiftgate
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Cargo Box Width @ Wheelhousings (in)49.4
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Cargo Volume to Seat 1 (ft³)144.7
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Cargo Volume to Seat 2 (ft³)93.8
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Cargo Volume to Seat 3 (ft³)41.5
No matches were found.