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2003 GMC Sierra 1500 Engine Options & Parameters

What engine does a 2003 GMC Sierra 1500 have? It all depends on the trim level.

To determine which engine is used in your 2003 GMC Sierra 1500, locate the VIN (found in the owner’s manual, under the hood, or on the windshield or driver’s side door), write it down, and decode it online.

Below you can learn about the technical specifications for each 2003 GMC Sierra 1500 motor and explore the list of other vehicles using the same engines.

2003 GMC Sierra 1500 Engine Options


LR4

General Motors / V-8 / Small-Block Engines - Petrol / LS / LR4

Engine manufacturer
A car and its engine do not always share the same manufacturer. Sometimes the engine and other components can be borrowed from other manufacturers.
General Motors
Engine family
Usually in the same family are engines with the same volume and layout. Some parts of the same engine family may be interchangeable with each other.
Small-Block Engines
Engine series
Each individual engine series has its own design features and is installed on certain vehicles.
LS
Displacement
The more cylinders in the engine and the higher their total volume, the more powerful the car is considered. On the other hand, the more cylinders an engine has, the higher the fuel consumption.
4.8L V-8
Other cars with General Motors / V-8 / Small-Block Engines - Petrol / LS / LR4 engine
Chevrolet Silverado 1500 1999, 2000, 2001, 2002, 2003, 2004, 2005
Chevrolet Tahoe 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
GMC Yukon 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
Engine
Work Truck 4x2 Regular Cab 8 ft. box 133 in. WB
Horsepower: 200 hp; Torque: 260 Lb-ft; 0-60mph 0-100kmh s: 8.7 sec; Fuel economy city: 16 mpg; Fuel economy highway: 21 mpg;
Engine: no data
SLE 4x4 Regular Cab 8 ft. box 133 in. WB
Horsepower: 270 hp; Torque: 285 Lb-ft; 0-60mph 0-100kmh s: 7.4 sec; Fuel economy city: 14 mpg; Fuel economy highway: 17 mpg;
Engine: no data
SLE 4x4 Extended Cab 8 ft. box 157.5 in. WB
Horsepower: 285 hp; Torque: 325 Lb-ft; 0-60mph 0-100kmh s: 7.4 sec; Fuel economy city: 15 mpg; Fuel economy highway: 19 mpg;
Engine: no data
Base 4x4 Extended Cab 8 ft. box 157.5 in. WB
Horsepower: 285 hp; Torque: 325 Lb-ft; 0-60mph 0-100kmh s: 7.4 sec; Fuel economy city: 15 mpg; Fuel economy highway: 19 mpg;
Engine: no data
SLT 4x2 Extended Cab 8 ft. box 157.5 in. WB
Horsepower: 285 hp; Torque: 325 Lb-ft; 0-60mph 0-100kmh s: 8.2 sec; Fuel economy city: 15 mpg; Fuel economy highway: 19 mpg;
Engine: no data
SLE 4x2 Extended Cab 8 ft. box 157.5 in. WB
Horsepower: 285 hp; Torque: 325 Lb-ft; 0-60mph 0-100kmh s: 8.2 sec; Fuel economy city: 15 mpg; Fuel economy highway: 19 mpg;
Engine: no data
Base 4x2 Extended Cab 8 ft. box 157.5 in. WB
Horsepower: 285 hp; Torque: 325 Lb-ft; 0-60mph 0-100kmh s: 8.2 sec; Fuel economy city: 15 mpg; Fuel economy highway: 19 mpg;
Engine: no data
Denali 4x4 Extended Cab 6.5 ft. box 143.5 in. WB
Horsepower: 325 hp; Torque: 370 Lb-ft; 0-60mph 0-100kmh s: 6.6 sec; Fuel economy city: 12 mpg; Fuel economy highway: 15 mpg;
Engine: no data
SLT 4x4 Extended Cab 6.5 ft. box 143.5 in. WB
Horsepower: 270 hp; Torque: 285 Lb-ft; 0-60mph 0-100kmh s: 8 sec; Fuel economy city: 15 mpg; Fuel economy highway: 20 mpg;
Engine: no data
SLE 4x4 Extended Cab 6.5 ft. box 143.5 in. WB
Horsepower: 270 hp; Torque: 285 Lb-ft; 0-60mph 0-100kmh s: 8 sec; Fuel economy city: 15 mpg; Fuel economy highway: 20 mpg;
Engine: no data
Base 4x4 Extended Cab 6.5 ft. box 143.5 in. WB
Horsepower: 270 hp; Torque: 285 Lb-ft; 0-60mph 0-100kmh s: 8 sec; Fuel economy city: 15 mpg; Fuel economy highway: 20 mpg;
Engine: no data
Base 4x4 Regular Cab 8 ft. box 133 in. WB
Horsepower: 270 hp; Torque: 285 Lb-ft; 0-60mph 0-100kmh s: 7.4 sec; Fuel economy city: 14 mpg; Fuel economy highway: 17 mpg;
Engine: no data
Base 4x2 Regular Cab 6.5 ft. box 119 in. WB
Horsepower: 200 hp; Torque: 260 Lb-ft; 0-60mph 0-100kmh s: 8.5 sec; Fuel economy city: 16 mpg; Fuel economy highway: 21 mpg;
Engine: no data
Work Truck 4x4 Regular Cab 8 ft. box 133 in. WB
Horsepower: 270 hp; Torque: 285 Lb-ft; 0-60mph 0-100kmh s: 7.4 sec; Fuel economy city: 14 mpg; Fuel economy highway: 17 mpg;
Engine: no data
SLE 4x4 Regular Cab 6.5 ft. box 119 in. WB
Horsepower: 270 hp; Torque: 285 Lb-ft; 0-60mph 0-100kmh s: 7.2 sec; Fuel economy city: 14 mpg; Fuel economy highway: 17 mpg;
Engine: no data
Base 4x4 Regular Cab 6.5 ft. box 119 in. WB
Horsepower: 270 hp; Torque: 285 Lb-ft; 0-60mph 0-100kmh s: 7.2 sec; Fuel economy city: 14 mpg; Fuel economy highway: 17 mpg;
Engine: no data
Work Truck 4x2 Extended Cab 6.5 ft. box 143.5 in. WB
Horsepower: 200 hp; Torque: 260 Lb-ft; 0-60mph 0-100kmh s: 9.7 sec; Fuel economy city: 15 mpg; Fuel economy highway: 20 mpg;
Engine: no data
SLT 4x2 Extended Cab 6.5 ft. box 143.5 in. WB
Horsepower: 270 hp; Torque: 285 Lb-ft; 0-60mph 0-100kmh s: 8.3 sec; Fuel economy city: 15 mpg; Fuel economy highway: 20 mpg;
Engine: no data
SLE 4x2 Extended Cab 6.5 ft. box 143.5 in. WB
Horsepower: 270 hp; Torque: 285 Lb-ft; 0-60mph 0-100kmh s: 8.3 sec; Fuel economy city: 15 mpg; Fuel economy highway: 20 mpg;
Engine: no data
Base 4x2 Extended Cab 6.5 ft. box 143.5 in. WB
Horsepower: 270 hp; Torque: 285 Lb-ft; 0-60mph 0-100kmh s: 8.3 sec; Fuel economy city: 15 mpg; Fuel economy highway: 20 mpg;
Engine: no data
SLE 4x2 Regular Cab 8 ft. box 133 in. WB
Horsepower: 270 hp; Torque: 285 Lb-ft; 0-60mph 0-100kmh s: 7.2 sec; Fuel economy city: 16 mpg; Fuel economy highway: 20 mpg;
Engine: no data
Base 4x2 Regular Cab 8 ft. box 133 in. WB
Horsepower: 200 hp; Torque: 260 Lb-ft; 0-60mph 0-100kmh s: 8.7 sec; Fuel economy city: 16 mpg; Fuel economy highway: 21 mpg;
Engine: no data
SLE 4x2 Regular Cab 6.5 ft. box 119 in. WB
Horsepower: 270 hp; Torque: 285 Lb-ft; 0-60mph 0-100kmh s: 7.1 sec; Fuel economy city: 16 mpg; Fuel economy highway: 20 mpg;
Engine: no data
SLT 4x4 Extended Cab 8 ft. box 157.5 in. WB
Horsepower: 285 hp; Torque: 325 Lb-ft; 0-60mph 0-100kmh s: 7.4 sec; Fuel economy city: 15 mpg; Fuel economy highway: 19 mpg;
Engine: no data

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Manufacturers of your own 2003 GMC Sierra 1500 always take efforts to design and upgrade not just car seats or chassis, but also its coordination overall. Here is why an automobile lover is offered to take a look at not just the 2003 GMC Sierra 1500 engine specs but even the transmitting and platform. The first aspect can possibly have an impact on your respective auto`s operation and may even give you foolproof supervision on the automobile. The second aspect may also have a particular influence on the model work. There are as well other variables that take their toll on any 2003 GMC Sierra 1500 engine productivity - temperature loss, petrol pumping, chemical substance energy loss, and far more. A car enthusiast definitely should know about every one of them in order to determine the problem with engine performance if needed.

In conclusion, if a driver wishes to keep their 2003 GMC Sierra 1500 engine undamaged, the automobile owner has got to care for the engine duly. Probably the most typical upkeep procedures for boosting the engine's toughness infer replacing gas filters and examining air filters, interchanging the oil regularly at the right time, checking cooling down systems, and not moving on minimal gasoline signs. All these procedures will not only uphold your 2003 GMC Sierra 1500 engine fine but additionally save money.