1999 GMC Sierra 1500
1999 · Second generation
Catalog figures for this model year. Ratings vary by configuration.
Quick facts
Capability
Towing
3,500–6,500 lb
Payload
1,634–2,368 lb
Curb weight
3,923–4,748 lb
Horsepower
200–255 hp
Efficiency
MPG city
14–17 mpg
Fuel tank
25.0–34.0 gal
Fitment
Bolt pattern
6x139.7
Engines
4300 Vortec, LR4
Drivetrain
4x4 · 4x2
Body
Extended Cab
Configurations
24
Complaints in dataset
157
What do you need to do with your 1999 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 / rearIdentify the engineEngines offered this yearCheck powerHorsepower and torqueEstimate rangeMPG and tankCheck interior roomFind a fuseRead the owner’s manualInvestigate a problemOwner-report counts, not failure rates
Capability
These figures are manufacturer ratings stored on 24 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
Maintenance
Wiper Sizes
Driver / passenger / rear
Bulb Sizes
Position chart
Fuses
Stored diagrams
Owner’s Manual
Stored sections
Owner Complaints
157 complaint records in our dataset — not a failure rate.