2003 Chevrolet Silverado 1500
2003 · First generation
Catalog figures for this model year. Ratings vary by configuration.
Quick facts
Capability
Towing
7,400–9,100 lb
Payload
1,288–2,123 lb
Curb weight
4,142–5,112 lb
Horsepower
200–345 hp
Efficiency
MPG city
12–16 mpg
Fuel tank
26.0–34.0 gal
Fitment
Bolt pattern
6x139.7
Engines
L59 (Flex-Fuel), LM7, LQ9, LR4, LU3
Drivetrain
4x4 · 4x2
Body
Regular Cab · Extended Cab
Configurations
24
Complaints in dataset
788
What do you need to do with your 2003 Silverado 1500?
Tow somethingCatalog towing ratingsCarry cargoCurb, GVWR, payloadCheck garage fitLength, width, heightBuy wheelsOEM rim and bolt patternFind tire sizeOEM tire sizesReplace a bulbPosition → bulb codeChange oilCapacity by engineReplace wipersDriver / passenger / rearIdentify the engineEngines offered this yearCheck powerHorsepower and torqueEstimate rangeMPG and tankCheck ground clearanceCheck interior roomRead the owner’s manualInvestigate a problemOwner-report counts, not failure ratesSee real buildsLogged modifications
Capability
Engines
L59 (Flex-Fuel) · LM7 · LQ9 · LR4 · LU3
Horsepower
200–345 hp
Towing
7,400–9,100 lb
Payload
1,288–2,123 lb
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
Dimensions
203.2–246.6 in
Ground Clearance
8.3–8.7 in
Wheel Sizes
6x139.7
Tire Sizes
OEM sizes
Interior
41.3 in
MPG
12–16 mpg
Maintenance
Oil Capacity
Capacity by engine
Wiper Sizes
Driver / passenger / rear
Bulb Sizes
Position chart
Owner’s Manual
Stored sections
Owner Complaints
788 complaint records in our dataset — not a failure rate.
Parts and modifications
Real builds
- 2003 · 18 -12 mm · 295/65R18 · Leveling Kit
- 2003 · 12.0×20 -76 mm
Build rows are stored Modified1 projects mapped to this model year. Empty fields were not logged.