2018 GMC Sierra 3500HD

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With the usual big truck options from single to crew cab and rear-drive to all-wheel drive, the GMC Sierra 3500HD has spec and options that will keep almost anyone happy. Choices can be difficult with three cab styles, four wheelbases and two bed lengths on option. Being akin to a more refined version of the Silverado, the GMC Sierra does cost a bit more, and so the 3500HD range starts off at $35,290 but if you take the biggest and best options you will see a truck that sets you back over $70,000. Engine options are good, the 6.6-liter Duramax diesel with the Allison 6-speed auto is the top choice if your budget allows, and it has the power to pull the Grand Canyon closed. If luxury is your thing, you can option the Denali trim and you can roll in style, big style.

Is the 2018 GMC Sierra 3500 a good Truck?

  • Exterior Design 8 /10
  • Performance 9 /10
  • Fuel Economy 6 /10
  • Interior & Cargo 8 /10
  • Infotainment & Features 9 /10
  • Reliability 10 /10
  • Safety 7 /10
  • Value For Money 8 /10
8.1
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2018 GMC Sierra 3500HD Models

See trim levels and configurations:

Trim Engine Transmission Drivetrain Price (MSRP)
Base
6.0L V8 Flex-fuel (FFV)
6-Speed Automatic
Rear-Wheel Drive
Four-Wheel Drive
$36,100
SLE
6.0L V8 Flex-fuel (FFV)
6-Speed Automatic
Rear-Wheel Drive
Four-Wheel Drive
$40,600
SLT
6.0L V8 Flex-fuel (FFV)
6-Speed Automatic
Rear-Wheel Drive
Four-Wheel Drive
$49,300
Denali
6.0L V8 Flex-fuel (FFV)
6-Speed Automatic
Rear-Wheel Drive
Four-Wheel Drive
$56,400

See all Trims and Specs

Best Deals on Sierra 3500HD

GMC Sierra 3500HD Dimensions

  • Wheelbase 133.6 in
  • Height 77.8 in
  • Max Width 80.1 in

GMC Sierra 3500HD Fuel Capacity

  • Fuel Tank Capacity
    36.0 Gallons
* 2018 GMC Sierra 3500HD 2WD Regular Cab 133.6"

Interior and Cargo Space

  • Seating capacity
    3-seater
  • Front Leg Room 45.3 in
  • Front Head Room 42.8 in

Safety and Reliability

Warranty

  • Basic:
    3 Years \ 36,000 Miles
  • Drivetrain:
    5 Years \ 60,000 Miles
  • Drivetrain Note:
    HD Duramax Diesel: 5 Years \ 100,000 Miles; Qualified Fleet Purchases: 5 Years
  • Rust-Through:
    6 Years \ 100,000 Miles
  • Corrosion:
    3 Years \ 36,000 Miles
  • Roadside Assistance:
    5 Years \ 60,000 Miles
  • Roadside Assistance Note:
    HD Duramax Diesel: 5 Years \ 100,000 Miles; Qualified Fleet Purchases: 5 Years
  • Maintenance:
    2 Years \ 24,000 Miles
  • Maintenance Note:
    2 Visits \ 

US NHTSA Crash Test Result

NHTSA safety ratings are not available at this time.

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