2018 GMC Sierra 1500
2018 · Fourth generation · facelift
Catalog figures for this model year. Ratings vary by configuration.
Quick facts
Capability
Towing
5,000–9,000 lb
Payload
1,710–1,980 lb
Curb weight
4,515–5,461 lb
Horsepower
285–355 hp
Efficiency
MPG city
15–18 mpg
Fuel tank
26.0–34.0 gal
Fitment
Bolt pattern
6x139.7
Drivetrain
4x2 · 4x4
Body
Crew Cab · Double Cab · Regular Cab
Configurations
26
Complaints in dataset
45
What do you need to do with your 2018 Sierra 1500?
Tow somethingCatalog towing ratingsCarry cargoCurb, GVWR, payloadCheck garage fitLength, width, heightBuy wheelsOEM rim and bolt patternFind tire sizeOEM tire sizesReplace a bulbPosition → bulb codeReplace wipersDriver / passenger / rearCheck powerHorsepower and torqueEstimate rangeMPG and tankCheck ground clearanceCheck interior roomRead the owner’s manualInvestigate a problemOwner-report counts, not failure rates
Capability
These figures are manufacturer ratings stored on 26 catalog configurations. Optional factory tow packages are often missing from this table. Confirm the door jamb and owner’s manual for the vehicle you have.
Size & fitment
Dimensions
205.6–239 in
Ground Clearance
8.2–8.9 in
Wheel Sizes
6x139.7
Tire Sizes
OEM sizes
Interior
45.3 in
MPG
15–18 mpg
Maintenance
Owner Complaints
45 complaint records in our dataset — not a failure rate.