2003 Chevrolet Silverado 1500 Dimensions, Sizes & Specifications
Based on 24 trims — exact values when identical, ranges when trims differ. Generation: First generation (GMT800).
- Length203.2 in – 246.6 in
- Width78.5 in
- Height70.8 in – 73.9 in
- Wheelbase119.0 in – 157.5 in
- Ground clearance8.3 in – 8.7 in
- Curb weight4,142 lb – 5,112 lb
- Length203.2 in – 246.6 in
- Height70.8 in – 73.9 in
- Wheelbase119.0 in – 157.5 in
- Ground clearance8.3 in – 8.7 in
- Curb weight4,142 lb – 5,112 lb
- Width78.5 in
Proportional exterior silhouette from catalog length, width and height. The explorer below is a systems map — different purpose, not a second silhouette.
Explore your 2003 Chevrolet Silverado 1500
Interactive systems diagram for this model year — measure, check fitment, and open the matching SpecSizes tools. Schematic only; not photorealistic body styling.
- Dimensions
- Wheels
- Tires
- Wipers
- Oil
- Interior
Available for this vehicle
- Dimensions
- Wheels
- Tires
- Wipers
- Oil
- Interior
Select a system below or on the diagram. This schematic marks measurement areas — it is not body-accurate styling.
Catalog summaries
Exterior: 203.2 in – 246.6 in · 78.5 in · 70.8 in – 73.9 in. Full dimensions
Wheels: bolt pattern 6x139.7, bore 78.1 mm. Wheel sizes
Tires: P235/75SR16.0 BSW AS, P245/75SR16.0 BSW AS, P255/70SR16.0 BSW AS, P275/55SR20.0 BSW touring AS…. Tire sizes
What do you want to check?
- Compare this vehicleSize vs a competitor
- See size by yearModel history & chart
- Will it fit in my garage?Door & bay clearance calculator
- Find cars similar in sizeExterior length, width & height neighbors
- Browse cars by sizeReverse-search by length, width & height
- Check tire sizeOEM tire sizes
- Check wiper sizeBlade lengths
- Check oil capacityCapacity & viscosity
- Check wheel sizeBolt pattern, bore, offset
- Wheel fitment & interchangeCompare donor or custom wheels
Exterior dimensions
| Length | 203.2 in – 246.6 in |
|---|---|
| Width | 78.5 in |
| Height | 70.8 in – 73.9 in |
| Wheelbase | 119.0 in – 157.5 in |
| Ground clearance | 8.3 in – 8.7 in |
Interior dimensions
| Front headroom | 41.0 in |
|---|---|
| Rear headroom | 38.4 in |
| Front legroom | 41.3 in |
| Rear legroom | 33.7 in |
| Front shoulder room | 65.2 in |
| Rear shoulder room | 66.3 in |
| Front hip room | 61.4 in |
| Rear hip room | 61.5 in |
Weight & capacities
| Curb weight | 4,142 lb – 5,112 lb |
|---|---|
| GVWR | 6,100 lb – 6,400 lb |
| Fuel tank | 26.0 gal – 34.0 gal |
| Max towing capacity | 7,400 lb – 9,100 lb |
Engine
| Torque | 260 – 380 lb-ft |
|---|
Torque shown in lb-ft as stored in the catalog.
Wheels, tires & maintenance sizes
Tire sizes Full tire size page → · Wheel fitment →
- P235/75SR16.0 BSW AS
- P245/75SR16.0 BSW AS
- P255/70SR16.0 BSW AS
- P275/55SR20.0 BSW touring AS
- 235/75R16
- 245/75R16
- 255/70R16
- 265/60R17
- 265/70R17
- 265/75R16
- 275/45R22
- 275/60R17
- 285/50R20
- 285/55R18
- 305/30R26
- 305/35R24
Wiper sizes Full wiper size page →
- Driver22"
- Passenger22"
Oil capacity Full oil capacity page →
- 5W-306 qt
- 5W-304.5 qt
- 5W-306 qt
- 5W-306 qt
- 5W-306 qt
Trim-by-trim dimensions (24 trims)
| Trim | Length | Width | Height | Wheelbase | Clearance | Curb wt |
|---|---|---|---|---|---|---|
| Base 4x2 Extended Cab 6.6 ft. box 143.5 in. WB | 227.7 | 78.5 | 71.2 | 143.5 | 8.3 | 4555 |
| Base 4x2 Extended Cab 8 ft. box 157.5 in. WB | 246.6 | 78.5 | 70.8 | 157.5 | 8.3 | 4828 |
| Base 4x2 Regular Cab 6.5 ft. box 119 in. WB | 203.2 | 78.5 | 71.2 | 119.0 | 8.5 | 4142 |
| Base 4x2 Regular Cab 8 ft. box 133 in. WB | 222.1 | 78.5 | 71.0 | 133.0 | 8.4 | 4227 |
| Base 4x4 Extended Cab 6.6 ft. box 143.5 in. WB | 227.7 | 78.5 | 73.9 | 143.5 | 8.6 | 4925 |
| Base 4x4 Extended Cab 8 ft. box 157.5 in. WB | 246.6 | 78.5 | 73.7 | 157.5 | 8.6 | 5112 |
| Base 4x4 Regular Cab 6.5 ft. box 119 in. WB | 203.2 | 78.5 | 73.8 | 119.0 | 8.7 | 4439 |
| Base 4x4 Regular Cab 8 ft. box 133 in. WB | 222.1 | 78.5 | 73.7 | 133.0 | 8.7 | 4579 |
| LS 4x2 Extended Cab 6.6 ft. box 143.5 in. WB | 227.7 | 78.5 | 71.2 | 143.5 | 8.3 | 4555 |
| LS 4x2 Extended Cab 8 ft. box 157.5 in. WB | 246.6 | 78.5 | 70.8 | 157.5 | 8.3 | 4828 |
| LS 4x2 Regular Cab 6.5 ft. box 119 in. WB | 203.2 | 78.5 | 71.2 | 119.0 | 8.5 | 4142 |
| LS 4x2 Regular Cab 8 ft. box 133 in. WB | 222.1 | 78.5 | 71.0 | 133.0 | 8.4 | 4227 |
| LS 4x4 Extended Cab 6.6 ft. box 143.5 in. WB | 227.7 | 78.5 | 73.9 | 143.5 | 8.6 | 4925 |
| LS 4x4 Extended Cab 8 ft. box 157.5 in. WB | 246.6 | 78.5 | 73.7 | 157.5 | 8.6 | 5112 |
| LS 4x4 Regular Cab 6.5 ft. box 119 in. WB | 203.2 | 78.5 | 73.8 | 119.0 | 8.7 | 4439 |
| LS 4x4 Regular Cab 8 ft. box 133 in. WB | 222.1 | 78.5 | 73.7 | 133.0 | 8.7 | 4579 |
| LT 4x2 Extended Cab 6.6 ft. box 143.5 in. WB | 227.7 | 78.5 | 71.2 | 143.5 | 8.3 | 4555 |
| LT 4x2 Extended Cab 8 ft. box 157.5 in. WB | 246.6 | 78.5 | 70.8 | 157.5 | 8.3 | 4828 |
| LT 4x4 Extended Cab 6.6 ft. box 143.5 in. WB | 227.7 | 78.5 | 73.9 | 143.5 | 8.6 | 4925 |
| LT 4x4 Extended Cab 8 ft. box 157.5 in. WB | 246.6 | 78.5 | 73.7 | 157.5 | 8.6 | 5112 |
| SS 4x4 Extended Cab 6.6 ft. box 143.5 in. WB | 227.7 | 78.5 | 73.9 | 143.5 | 8.3 | 5013 |
| Work Truck 4x2 Extended Cab 6.6 ft. box 143.5 in. WB | 227.7 | 78.5 | 71.2 | 143.5 | 8.3 | 4555 |
| Work Truck 4x2 Regular Cab 8 ft. box 133 in. WB | 222.1 | 78.5 | 71.0 | 133.0 | 8.4 | 4227 |
| Work Truck 4x4 Regular Cab 8 ft. box 133 in. WB | 222.1 | 78.5 | 73.7 | 133.0 | 8.7 | 4579 |
Values in inches / pounds as stored. Ranges above reflect trim variation.
Same generation (First generation (GMT800)): years 1999–2006. View model overview