2018 GMC Sierra 1500 SLT Specs

2018 GMC Sierra 1500 2WD Double Cab 143.5" SLT powered by 5.3-liter V8 Gas Engine with 6-Speed Automatic transmission.

Back to 2018 GMC Sierra 1500
$42,800
Starting Price (MSRP)
$40,018
Invoice
Engine
5.3-liter V8 Gas
Transmission
6-Speed Automatic
Drivetrain
Rear wheel drive
Fuel Economy
City: 16 mpg
Hwy: 23 mpg

Dimensions

  • Length:
    229.5 inches
  • Height:
    73 inches
  • Max width:
    80 inches
  • Wheelbase:
    143 inches
  • Ground Clearance:
    8.5 inches

Interior Colors And Materials

Standard Interior Materials
  • Jet Black, Leather-appointed front seat trim
  • Dark Ash seats with Jet Black interior accents, Leather-appointed front seat trim
  • Cocoa/Dune, Leather-appointed front seat trim
  • Jet Black, Perforated leather-appointed front seat trim
  • Dark Ash seats with Jet Black interior accents, Perforated leather-appointed front seat trim
  • Cocoa/Dune, Perforated leather-appointed front seat trim

Interior

  • Seating Capacity
    6 seater

Interior Space

  • Front Seat Leg Room:
    45 inches
  • Front Seat Head Room:
    42 inches
  • Front Seat Shoulder Room:
    65 inches
  • Front Seat Hip Room:
    60 inches
  • Rear Seat Leg Room:
    34 inches
  • Rear Seat Head Room:
    38 inches
  • Rear Seat Shoulder Room:
    65 inches
  • Rear Seat Hip Room:
    60 inches

Performance

  • Engine
    5.3-liter V8 Gas
  • Transmission
    6-Speed Automatic
  • Drivetrain
    Rear wheel drive
  • Horsepower @ RPM:
    355 hp
    @ 5600 rpm
  • Torque @ RPM:
    383 lb-ft
    @ 4100 rpm

Fuel Efficiency

  • Fuel Tank Capacity
    26 gallons
Fuel Economy
  • Combined:
    19 mpg
  • City:
    16 mpg
  • Highway:
    23 mpg
Cruising Range
  • City:
    416 miles
  • Highway:
    598 miles

Suspensions And Tires

Wheels and Tires
  • Front Tire:
    P265/65R18
  • Rear Tire:
    P265/65R18
  • Spare Tire:
    P265/70R17
Suspension Type
  • Steering Type:
    Electric Rack & Pinion
Turining Diameter
  • Curb to Curb:
    46 ft