Used 2018 GMC Sierra 2500HD Double Cab Specs & Features

Starting MSRP
See Sierra 2500HD Inventory

Engine TypeFlex-fuel (ffv)
Transmission6-speed shiftable automatic
Drive TypeFour wheel drive
Total Seating6
Basic Warranty3 yr./ 36000 mi.
automatic locking hubsyes
manual hi-lo gear selectionyes
part time 4WDyes
Drive typeFour wheel drive
Rear locking differentialyes
Transmission6-speed shiftable automatic
Fuel & MPG
Fuel & MPG
Fuel tank capacity36.0 gal.
Fuel typeFlex-fuel (unleaded/e85)
Range in miles (cty/hwy)0/0 mi.
Base engine size6.0 l
Base engine typeFlex-fuel (ffv)
Cam typeOverhead valves (ohv)
Horsepower360 hp @ 5400 rpm
Torque380 lb-ft @ 4200 rpm
Turning circle49.2 ft.
Valve timingVariable
2 front headrestsyes
2 rear headrestsyes
auto delay off headlampsyes
child seat anchorsyes
daytime running lightsyes
dual front side-mounted airbagsyes
dusk sensing headlampsyes
engine immobilizeryes
front and rear head airbagsyes
stability controlyes
tire pressure monitoringyes
traction controlyes
xenon high intensity discharge headlampyes
4-wheel ABSyes
Front and rear ventilated disc brakesyes
Front center lap beltyes
Passenger airbag deactivation switchyes
Rear center 3-point beltyes
Rear door child safety locksyes
Rear height adjustable headrestsyes
Essentials Package +$1,295
Heavy-Duty Trailering Equipment Package +$575
Protection Package +$385
Sierra Convenience Package +$835
Snow Plow Prep. Package +$385
In-Car Entertainment
In-Car Entertainment
6 total speakersyes
USB connectionyes
auxiliary audio input and USB with external media controlyes
speed sensitive volume controlyes
AM/FM stereoyes
Comfort & Convenience
Comfort & Convenience
cruise controlyes
front and rear door pocketsyes
front cupholdersyes
power steeringyes
rear view camerayes
tilt-adjustable steering wheelyes
Cruise controls on steering wheelyes
Single zone front air conditioningyes
Power Feature
Power Feature
4 one-touch power windowsyes
power door locksyes
Heated mirrorsyes
Interior Options
Interior Options
Color-Keyed Carpet Floor Covering and Rubberized Vinyl Floormats +$100
SiriusXM Satellite Radio +$195
Upfitter Switches +$125
All Weather Floor Liner +$200
Composite Rear Under Seat Storage Bin +$255
OnStar +$175
All-Weather Floor Mats +$165
trip computeryes
Front Seat Dimensions
Front Seat Dimensions
4 -way manual driver seat adjustmentsyes
4 -way manual passenger seat adjustmentyes
40-20-40 split bench front seatsyes
Driver seat with manual adjustable lumbar supportyes
Front head room42.8 in.
Front hip room60.7 in.
Front leg room45.3 in.
Front shoulder room64.8 in.
Rear Seat Dimensions
Rear Seat Dimensions
rear ventilation ductsyes
Folding rear seatbackyes
Rear head room38.7 in.
Rear hip Room60.2 in.
Rear leg room34.6 in.
Rear shoulder room64.3 in.
Exterior Options
Exterior Options
Polished Exhaust Tip +$140
4" Round Black Tubular Assist Steps +$630
Retractable Driver Side Cargo Box Assist Step +$360
Rubber Bed Mat +$150
Underbody Shield +$150
Body Color Wheel Arch Moldings +$700
Heated, Vertical Trailering, Manual Extending Power Exterior Mirrors +$350
Sierra Body-Color Accented Grille +$495
LT265/70R18E All-Season Blackwall Tiresyes
18" x 8.0" Painted Steel Wheels +$295
6" Rectangular Tubular Chromed Assist Steps +$750
Body-Colored Bodyside Moldings +$275
6" Black Rectangular Tubular Assist Steps +$700
18" x 8" Full-Size Steel Spare Tireyes
4" Round Chrome Tubular Assist Steps +$685
LT265/70R18E All-Terrain Blackwall Tires +$200
Wheel Locks +$65
Body Color Molded Splash Guards +$315
High Visibility Vertical Trailering Exterior Mirrors +$70
Vinyl Tonneau Cover +$535
Hard Tri-Folding Tonneau w/Vinyl Cover +$950
Spray-On Bed Liner +$495
17" x 7.5" Machined Aluminum Wheels +$500
Rocker Guard +$545
Electric Rear-Window Defogger +$225
Provision for Cab Roof-Mounted Lamp/Beacon +$30
Smoked Amber Roof Marker Lamps +$55
Soft Folding Tonneau Cover +$625
Rear Bumper Delete +-$100
Chrome Recovery Hooks +$250
Off-Road Assist Steps +$865
Front and Rear Molded Splash Guards +$225
Chrome Surround Grille w/Body-Color Inserts +$495
LT265/70R17E All-Terrain Blackwall Tires +$200
License Plate Kityes
Bed Liner +$355
Curb weight6382 lbs.
Gross weight9500 lbs.
Ground clearance9.5 in.
Height78.1 in.
Length230.0 in.
Maximum payload3093 lbs.
Maximum towing capacity13000 lbs.
Wheel base144.2 in.
Width80.5 in.
Exterior Colors
  • Deep Mahogany Metallic
  • Cardinal Red
  • Dark Slate Metallic
  • Quicksilver Metallic
  • Summit White
  • Stone Blue Metallic
  • Onyx Black
Interior Colors
  • Dark Ash Seats w/Jet Black Interior Accents, vinyl
  • Dark Ash Seats w/Jet Black Interior Accents, cloth
Tires & Wheels
Tires & Wheels
fullsize matching spare tireyes
steel wheelsyes
underbody mounted spare tireyes
17 x 7.5 in. wheelsyes
All season tiresyes
LT245/75R17 tiresyes
front independent suspensionyes
Stabilizer bar stabilizer baryes
Basic3 yr./ 36000 mi.
Drivetrain5 yr./ 60000 mi.
Free Maintenance2 yr./ 24000 mi.
Roadside5 yr./ 60000 mi.
Rust6 yr./ 100000 mi.