2003 GMC Sierra 1500 1500 Regular Cab Headroom Specs
Headroom Specs
| First Row Headroom (in) | 41 in. |
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| First Row Headroom (cm) | 104.1 cm |
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All Available Specs
Basics
| Year | 2003 |
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| Make | GMC |
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| Model | Sierra 1500 |
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| Trim | 1500 Regular Cab |
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Seating & Access
Powertrain
| Engine | VORTEC 4300 MFI |
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| Engine Configuration | V6 |
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| Transmission | 5 Spd Manual W/OD |
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| Drivetrain | RWD |
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Power & Performance
| Horsepower | 200 HP |
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| Horsepower RPM | 4,400 rpm |
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| Torque | 260 ft-lbs |
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| Torque RPM | 2,800 rpm |
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Fuel Efficiency
| City MPG | 15 mpg |
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| City L/100km | 16.0 L/100km |
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| Highway MPG | 14 mpg |
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| Highway L/100km | 17.0 L/100km |
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| Combined MPG | 14.5 mpg |
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| Combined L/100km | 16.0 L/100km |
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Fuel Tank & Range
| Gas Tank Size (gal) | 26.0 gal |
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| Gas Tank Size (L) | 98.4 L |
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| City Range (miles) | 390 miles |
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| City Range (km) | 628 km |
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| Highway Range (miles) | 364 miles |
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| Highway Range (km) | 586 km |
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| Combined Range (miles) | 377 miles |
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| Combined Range (km) | 607 km |
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Tires
| Front Tire Size | P235/75R16 |
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| Front Tire Width | 235 |
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| Front Tire Aspect Ratio | 75 |
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| Front Rim Size | 16 |
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| Rear Tire Size | P235/75R16 |
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| Rear Tire Width | 235 |
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| Rear Tire Aspect Ratio | 75 |
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| Rear Rim Size | 16 |
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| Spare Tire Size | P235/75R16 |
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Wheels
| Front Wheel Size | 16 x 7 |
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| Rear Wheel Size | 16 x 7 |
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| Front Wheel Material | Steel |
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| Rear Wheel Material | Steel |
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Weight & Capacity
| Towing Capacity (lbs) | 4,000 lbs |
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| Payload (lbs) | 2,077 lbs |
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| Curb Weight (lbs) | 4,023 lbs |
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| Weight to HP Ratio | 20.1 lbs/HP |
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| GVWR (lbs) | 6,100 lbs |
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Legroom
| First Row Legroom (in) | 41.3 in. |
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| First Row Legroom (cm) | 104.9 cm |
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Headroom
| First Row Headroom (in) | 41 in. |
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| First Row Headroom (cm) | 104.1 cm |
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Ground Clearance
| Front Ground Clearance (in) | 10.6 in. |
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| Front Ground Clearance (cm) | 26.9 cm |
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| Rear Ground Clearance (in) | 13.6 in. |
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| Rear Ground Clearance (cm) | 34.5 cm |
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| Min Ground Clearance (in) | 10.6 in. |
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| Min Ground Clearance (cm) | 26.9 cm |
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| Max Ground Clearance (in) | 13.6 in. |
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| Max Ground Clearance (cm) | 34.5 cm |
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Height & Length
| Height (in) | 71.2 in. |
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| Height (cm) | 180.8 cm |
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| Height (ft) | 5.9 ft |
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| Height (m) | 1.8 m |
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| Length (in) | 203.2 in. |
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| Length (cm) | 516.1 cm |
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| Length (ft) | 16.9 ft |
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| Length (m) | 5.2 m |
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Width & Track
| Width w/o Mirrors (in) | 78.5 in. |
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| Width w/o Mirrors (cm) | 199.4 cm |
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| Width w/o Mirrors (ft) | 6.5 ft |
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| Width w/o Mirrors (m) | 2.0 m |
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Wheelbase
| Wheelbase (in) | 119 in. |
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| Wheelbase (cm) | 302.3 cm |
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| Wheelbase (ft) | 9.9 ft |
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| Wheelbase (m) | 3.0 m |
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