2018 GMC Sierra 3500HD Features & Specs

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Learn more about the dimensions, specifications, trims, and powertrains available for the 2018 GMC Sierra 3500HD. Compare the available and optional features to find the right 2018 GMC Sierra 3500HD that best fits your fleet needs. Configure your vehicles as needed, then contact a fleet rep for more information.

 

 

Standard
Standard
Available
Available
N/A
N/A
regular_cab_long_box_drw regular_cab_long_box sierra
Highlights
Vortec® 6.0L Variable Valve Timing V8 SFI engine Standard Standard  
Automatic locking rear differential Standard Standard  
Trailering Package Standard Standard  
Rear 60/40 split folding bench seat N/A N/A  
Front 40/20/40 split-bench seat Standard Standard  
Front 40/20/40 split-bench seat with under seat storage Available Available  
Front, leather-appointed bucket seats N/A N/A  
Air conditioning Standard Standard  
Dual-zone automatic climate control N/A N/A  
Power windows Available Available  
Power door locks Standard Standard  
Cruise control Standard Standard  
Leather-wrapped steering wheel with cruise and audio controls N/A N/A  
Recovery hooks – front Standard Standard  
Outside manual-extending trailer mirrors Standard Standard  
Black, Outside, power-adjustable, manual-folding vertical trailering mirrors with Amber running lamps Available Available  
Dimensions
Standard Curb Weight 6651 lbs 6314 lbs  
Standard Payload 6724 lbs 4361 lbs  
Gross Axle Wt Rating - Front 4400 lbs 4400 lbs  
Gross Axle Wt Rating - Rear 9825 lbs 7050 lbs  
Gross Vehicle Weight Rating 13400 lbs 10700 lbs  
Ground Clearance, Rear 8.07 in 8.42 in  
Gross Axle Weight Rating 11400.00 lbs 11400.00 lbs  
Gross Axle Wt Rating - Front 5200 lbs 5200 lbs  
Gross Combined Wt Rating 21100 lbs 21100 lbs  
Cargo Box (Area) Height 21.22 in 21.22 in  
Cargo Box Length @ Floor 97.76 in 97.76 in  
Cargo Box Width @ Wheelhousings 51.02 in 51.02 in  
Cargo Volume 76.3 ft³ 76.3 ft³  
Cab to Axle 55.16 in 55.16 in  
Front Bumper to Back of Cab 117.10 in 117.10 in  
Height, Overall 77.24 in 77.24 in  
Length, Overall 224.4 in 224.4 in  
Wheelbase 133.60 in 133.60 in  
Width, Max w/o mirrors 80.12 in 80.12 in  
Front Head Room 42.40 in 42.40 in  
Front Hip Room 60.73 in 60.73 in  
Front Leg Room 45.27 in 45.27 in  
Front Shoulder Room 66.03 in 66.03 in  
Passenger Capacity 3 3  
Second Head Room 38.66 in 38.66 in  
Second Hip Room 60.24 in 60.24 in  
Second Leg Room 34.65 in 34.65 in  
Second Shoulder Room 64.33 in 64.33 in  
Packages
Packages
All Terrain HD Package N/A N/A  
Driver Alert Package N/A N/A  
Duramax® Plus Package N/A N/A  
GMC Interior Protection Package Available Available  
Preferred Package N/A N/A  
Convenience Package Available Available  
Gooseneck / 5th Wheel Prep Package Available Available  
Mechanical
Other
High-capacity air cleaner Standard Standard  
150-amp alternator Standard Standard  
220-amp alternator Available Available  
Dual, 150 amps and 220 amps each alternators Available Available  
730 cold-cranking amps battery Available Available  
Battery, heavy-duty 720 cold-cranking amps/80 Amp-hr Standard Standard  
Recovery hooks – front Standard Standard  
Accessories
Polished exhaust tip Available Available  
Chassis
Frame, fully-boxed, hydroformed front section Standard Standard  
Powertrain
External transmission oil cooler Standard Standard  
External engine oil cooler Standard Standard  
Automatic locking rear differential Standard Standard  
Engine block heater Available Available  
Vortec® 6.0L Variable Valve Timing V8 SFI engine Standard Standard  
Duramax® 6.6L Turbo-Diesel V8 engine Available Available  
Electronic shift transfer case with rotary dial controls Available Available  
Heavy-duty 6-speed electronically controlled automatic transmission Standard Standard  
Allison® 1000 6-speed automatic transmission Available Available  
Transfer case shield Available Available  
Steering
Digital Steering Assist N/A N/A  
Supension
Suspension Package Standard Standard  
Exterior
Accessories
Bedliner Available Available  
Wheel arch moldings N/A Available  
Bodyside moldings, body-colored Available Available  
Chrome tailgate handle N/A N/A  
Assist Steps
Cargo box retractable side assist step Available Available  
4" chromed assist steps Available Available  
6" chromed assist steps Available Available  
6" Black assist step Available Available  
4" Black assist steps Available Available  
Off-road assist steps N/A N/A  
Bed Features
Spray-on bed liner Available Available  
Movable upper cargo tie-downs Standard Standard  
CornerStep rear bumper Standard Standard  
LED cargo box lighting Available Available  
Smoked Amber roof marker lamps Available Available  
Lamps, cargo area, cab mounted Standard Standard  
Remote Locking Tailgate Available Available  
EZ-Lift and Lower tailgate N/A N/A  
Comfort and Convenience
Rear-sliding power window with rear defogger N/A N/A  
Design Features
Door handles, Black Standard Standard  
Chrome grille surround Standard Standard  
Grille, chrome surround with body-color inserts Available Available  
Lamps
Fog lamps N/A N/A  
Headlamps, high intensity discharge (HID) projector-beam with GMC signature LED lighting Standard Standard  
Mirrors
Black, Outside, power-adjustable, manual-folding vertical trailering mirrors with Amber running lamps Available Available  
Outside manual-extending trailer mirrors Standard Standard  
Chrome, Outside, power-adjustable, power-folding vertical trailering mirrors with Amber running lamps N/A N/A  
Other
One-piece cover for diesel engine Available Available  
Hill Descent Control N/A N/A  
Front and rear body-color molded splash guards N/A Available  
Provision for a cab roof-mounted lamp/beacon Available Available  
Rear wheelhouse liners N/A N/A  
Power sunroof N/A N/A  
Deep-tinted glass Available Available  
Solar-absorbing glass Standard Standard  
Tires
Tire carrier lock Standard Standard  
Wheels
Wheel locks N/A Available  
Wheel, 18" x 8" (45.7 cm x 20.3 cm) full-size, steel spare. Standard Standard  
18" x 8" full-size steel spare wheel N/A Available  
Interior
Comfort and Convenience
Air conditioning Standard Standard  
Assist handle, front passenger and driver on A-pillars Standard Standard  
Bluetooth for phone Standard Standard  
Rear-window defogger Available Available  
Power door locks Standard Standard  
Front and rear carpeted floor mats N/A N/A  
All-weather floor mats Available Available  
Console insert expandable folder tote N/A N/A  
Front console insert N/A N/A  
Underseat storage N/A N/A  
Power-adjustable pedals N/A N/A  
Power outlet(s) Available Available  
Remote Keyless Entry Available Available  
Remote vehicle starter system N/A N/A  
Manual tilt steering column Standard Standard  
Steering wheel audio controls N/A N/A  
Heated steering wheel N/A N/A  
Tilt and telescopic steering column N/A N/A  
Leather-wrapped steering wheel with cruise and audio controls N/A N/A  
Universal Home Remote N/A N/A  
Illuminated visor vanity mirrors N/A N/A  
Power windows Available Available  
Wireless charging N/A N/A  
Driver Technology
3.5” diagonal monochromatic Driver Information Center Standard Standard  
4.2" diagonal multi-color Driver Information Center N/A N/A  
Entertainment
7" diagonal GMC Infotainment System Standard Standard  
8" diagonal GMC Infotainment System N/A N/A  
8" diagonal GMC Infotainment System with Navigation N/A N/A  
Bose® sound system N/A N/A  
Rear Seat Entertainment System with Blu-Ray/DVD Player N/A N/A  
Rear seat DVD entertainment system N/A N/A  
OnStar® 4G LTE and available built-in Wi-Fi® hotspot Available Available  
HD Radio N/A N/A  
Single-slot CD/MP3 player N/A N/A  
Other
Upfitter switches Available Available  
Safety
2 air bags Standard Standard  
Air bags, single-stage frontal and thorax side-impact, driver and front passenger, and head curtain side-impact, front and rear outboard seating positions Standard Standard  
Seats
Cocoa/Dune, Cloth front seat trim N/A N/A  
Jet Black, Cloth front seat trim Available Available  
Cocoa/Dune, Leather-appointed front seat trim N/A N/A  
Cocoa/Dune, Perforated leather-appointed front seat trim N/A N/A  
Jet Black, Leather-appointed front seat trim N/A N/A  
Jet Black, Perforated leather-appointed front seat trim N/A N/A  
Dark Ash seats with Jet Black interior accents, Cloth seat trim N/A N/A  
Dark Ash seats with Jet Black interior accents, Leather-appointed front seat trim N/A N/A  
Dark Ash seats with Jet Black interior accents, Perforated leather-appointed front seat trim N/A N/A  
Jet Black/Spice Red All-Terrain, Leather-appointed front seat trim N/A N/A  
10-way power-adjustable driver seat with power lumbar Available Available  
Driver and front passenger heated seats N/A N/A  
Front, leather-appointed 40/20/40 split-bench seat N/A N/A  
Front 40/20/40 split-bench seat Standard Standard  
Front, Premium Cloth bucket seats N/A N/A  
Front, leather-appointed bucket seats N/A N/A  
Driver and front passenger heated and ventilated seats N/A N/A  
Security
Theft-deterrent unauthorized entry system N/A N/A  
Safety
Safety
2 air bags Standard Standard  
Air bags, single-stage frontal and thorax side-impact, driver and front passenger, and head curtain side-impact, front and rear outboard seating positions Standard Standard  
6 air bags Available Available  
Daytime Running Lamps Standard Standard  
Forward Collision Alert N/A N/A  
Front and Rear Park Assist N/A N/A  
Hill Descent Control N/A N/A  
Lane Departure Warning N/A N/A  
Rear Vision Camera Standard Standard  
Driver Technology
Rear Park Assist N/A N/A  
Fuel Efficiency
Fuel Tank Capacity, Approx 36.0 gal 36.0 gal  
Warranty
Bumper-to-Bumper Limited Warranty** 3 Years/36,000 Miles 3 Years/36,000 Miles  
Corrosion Protection** 3 Years/36,000 Miles
Rust-Through
6 Years/100,000 Miles
3 Years/36,000 Miles
Rust-Through
6 Years/100,000 Miles
 
Powertrain/Drivetrain Limited Warranty** 5 Years/60,000 Miles
HD Duramax Diesel: 5 Years/100,000 Miles; Qualified Fleet Purchases: 5 Years/100,000 Miles
5 Years/60,000 Miles
HD Duramax Diesel: 5 Years/100,000 Miles; Qualified Fleet Purchases: 5 Years/100,000 Miles
 
Roadside Assistance Program** 5 Years/60,000 Miles
HD Duramax Diesel: 5 Years/100,000 Miles; Qualified Fleet Purchases: 5 Years/100,000 Miles
5 Years/60,000 Miles
HD Duramax Diesel: 5 Years/100,000 Miles; Qualified Fleet Purchases: 5 Years/100,000 Miles
 
Two Maintenance Visits* 2 Years/24,000 Miles
2 visits
2 Years/24,000 Miles
2 visits
 

DRW

MSRP1 Starting At $38,595

SRW

MSRP1 Starting At $38,595

 

MSRP1 Starting At  

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  • Regular Cab, Long Box, Dual Rear Wheel

  • Double Cab, Long Box, Dual Rear Wheel

  • Crew Cab, Long Box, Dual Rear Wheel

  • Regular Cab, Long Box

  • Double Cab, Long Box

  • Crew Cab, Standard Box

  • Crew Cab, Long Box

  • Regular Cab, Long Box, Dual Rear Wheel

  • Double Cab, Long Box, Dual Rear Wheel

  • Crew Cab, Long Box, Dual Rear Wheel

  • Regular Cab, Long Box

  • Double Cab, Long Box

  • Crew Cab, Standard Box

  • Crew Cab, Long Box

  • Regular Cab, Long Box, Dual Rear Wheel

  • Double Cab, Long Box, Dual Rear Wheel

  • Crew Cab, Long Box, Dual Rear Wheel

  • Regular Cab, Long Box

  • Double Cab, Long Box

  • Crew Cab, Standard Box

  • Crew Cab, Long Box

  • DRW

    MSRP1 Starting At $38,595

  • DRW SLE

    MSRP1 Starting At $43,265

  • SRW

    MSRP1 Starting At $38,595

  • SRW SLE

    MSRP1 Starting At $43,265

Powertrain
Horsepower @ RPM      
Torque @ RPM      
Fuel Type      
6-Speed Automatic Transmission      
6-Speed Allison Automatic Transmission      
3.73 rear axle ratio      
4.10 rear axle ratio      
Brakes
4-Wheel Antilock Front Disc/Rear Drum      
Trailering and Payload
Base Curb Weight      
Max Payload      
Max GVWR      
Max Conventional Trailering, 3.73 Rear Axle      
Max Conventional Trailering, 4.10 Rear Axle      
Max 5th Wheel Trailering, 3.73 Rear Axle      
Max 5th Wheel Trailering, 4.10 Rear Axle      
GCWR, 3.73 Rear Axle      
GCWR, 4.10 Rear Axle      
Steering Suspension
Front Suspension      
Rear Suspension      
Suspension Package      
Turning Diameter (ft.)      
Axle Capacity
Front Gross Axle Weight Rating      
Rear Gross Axle Weight Rating      
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Please select a configuration

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Crew Cab, Long Box
Crew Cab, Long Box, Dual Rear Wheel
Crew Cab, Standard Box
Double Cab, Long Box
Double Cab, Long Box, Dual Rear Wheel
Regular Cab, Long Box
Regular Cab, Long Box, Dual Rear Wheel
Duramax® 6.6L Turbo-Diesel V8 engine
2WD
4WD
2WD
4WD
2WD
4WD
2WD
4WD
2WD
4WD
4WD
4WD
Vortec® 6.0L Variable Valve Timing V8 SFI engine
2WD
4WD
2WD
4WD
2WD
4WD
2WD
4WD
2WD
4WD
2WD
4WD
2WD
4WD