2003 Chevrolet Silverado 1500 Gas Mileage (MPG)
Unlike other fuel economy surveys, TrueDelta's Real-World Gas Mileage Survey includes questions about how and where a car was driven. So you can get an idea of the Chevrolet Silverado 1500's real-world MPG based on how and where you drive a car.
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Chevrolet Silverado 1500
Chevrolet Silverado 1500 Gas Mileage
| Year | Body/Powertrain | flat, hilly, or mountainousLand | driving style: very light to "lead foot"Foot | A/C use: none to heavyA/C | constant stop and goTraf % | many stops per mileCity % | stop every mile or twoSub % | fairly steady speedHwy % | Hwy Spd | MPG |
| 2003 | 4dr Extended Cab 6.5ft bed 345-horsepower 6.0L V8 4-speed automatic AWD |
flat | lead | none | 25 | 25 | 0 | 50 | 110 | 7.0 |
| 2003 | 4dr Extended Cab 6.5ft bed 345-horsepower 6.0L V8 4-speed automatic AWD |
flat | lead | none | 25 | 25 | 0 | 50 | 110 | 7.0 |
| Averages | flat | lead | none | 25 | 25 | 0 | 50 | 110 | 7.0 | |
| With the 345-horsepower 6.0L V8 engine, 4-speed automatic transmission, and all-wheel drive, 2003 Chevrolet Silverado 1500 fuel economy has been averaging
7.0 MPG (miles per gallon). The 2003 Chevrolet Silverado 1500s in this analysis were driven mostly on the highway at an average speed of 110 miles per hour (about 50 percent of the miles driven). The rest of the miles were in the city (25 percent), in heavy traffic (25 percent), and in the suburbs (0 percent). In addition the average 2003 Chevrolet Silverado 1500 in this analysis was driven on flat terrain with a lead foot and the AC not used at all. |
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| Year | Body/Powertrain | flat, hilly, or mountainousLand | driving style: very light to "lead foot"Foot | A/C use: none to heavyA/C | constant stop and goTraf % | many stops per mileCity % | stop every mile or twoSub % | fairly steady speedHwy % | Hwy Spd | MPG |
| 2003 | 4dr Extended Cab 6.5ft bed 285-horsepower 5.3L V8 4-speed automatic 4WD w/low range |
flat | light | light | 1 | 10 | 9 | 80 | 70 | 16.0 |
| 2003 | 4dr Extended Cab 6.5ft bed 285-horsepower 5.3L V8 4-speed automatic 4WD w/low range |
flat | light | light | 1 | 10 | 9 | 80 | 70 | 16.0 |
| Averages | flat | light | light | 1 | 10 | 9 | 80 | 70 | 16.0 | |
| With the 285-horsepower 5.3L V8 engine, 4-speed automatic transmission, and four-wheel drive w/low range, the 2003 Chevrolet Silverado 1500 has been averaging
16.0 MPG (miles per gallon). The 2003 Chevrolet Silverado 1500s in this analysis were driven mostly on the highway at an average speed of 70 miles per hour (about 80 percent of the miles driven). The rest of the miles were in the city (10 percent), in the suburbs (9 percent), and in heavy traffic (1 percent). In addition the average 2003 Chevrolet Silverado 1500 in this analysis was driven on flat terrain with a light foot and the AC on only some of the time. |
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| Year | Body/Powertrain | flat, hilly, or mountainousLand | driving style: very light to "lead foot"Foot | A/C use: none to heavyA/C | constant stop and goTraf % | many stops per mileCity % | stop every mile or twoSub % | fairly steady speedHwy % | Hwy Spd | MPG |
| 2003 | 4dr Crew Cab 6.5ft bed 300-horsepower 6.0L V8 4-speed automatic 4WD w/low range |
hills | light | none | 1 | 10 | 15 | 74 | 70 | 13.8 |
| 2003 | 4dr Crew Cab 6.5ft bed 300-horsepower 6.0L V8 4-speed automatic 4WD w/low range |
hills | light | none | 1 | 10 | 15 | 74 | 70 | 13.8 |
| Averages | hills | light | none | 1 | 10 | 15 | 74 | 70 | 13.8 | |
| With the 300-horsepower 6.0L V8 engine, 4-speed automatic transmission, and four-wheel drive w/low range, 2003 Chevrolet Silverado 1500 gas mileage has been averaging
13.8 MPG (miles per gallon). The 2003 Chevrolet Silverado 1500s in this analysis were driven mostly on the highway at an average speed of 70 miles per hour (about 74 percent of the miles driven). The rest of the miles were in the suburbs (15 percent), in the city (10 percent), and in heavy traffic (1 percent). In addition the average 2003 Chevrolet Silverado 1500 in this analysis was driven on hilly terrain with a light foot and the AC not used at all. |
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| Year | Body/Powertrain | flat, hilly, or mountainousLand | driving style: very light to "lead foot"Foot | A/C use: none to heavyA/C | constant stop and goTraf % | many stops per mileCity % | stop every mile or twoSub % | fairly steady speedHwy % | Hwy Spd | MPG |
| 2003 | 2dr Regular Cab 8ft bed 275-horsepower 4.8L V8 4-speed automatic RWD |
flat | med | none | 5 | 5 | 10 | 80 | 75 | 21.0 |
| 2003 | 2dr Regular Cab 8ft bed 275-horsepower 4.8L V8 4-speed automatic RWD |
flat | med | none | 5 | 5 | 10 | 80 | 75 | 21.0 |
| Averages | flat | med | none | 5 | 5 | 10 | 80 | 75 | 21.0 | |
| With the 275-horsepower 4.8L V8 engine, 4-speed automatic transmission, and rear-wheel drive, 2003 Chevrolet Silverado 1500 fuel economy has been averaging
21.0 MPG (miles per gallon). The 2003 Chevrolet Silverado 1500s in this analysis were driven mostly on the highway at an average speed of 75 miles per hour (about 80 percent of the miles driven). The rest of the miles were in the suburbs (10 percent), in heavy traffic (5 percent), and in the city (5 percent). In addition the average 2003 Chevrolet Silverado 1500 in this analysis was driven on flat terrain with a medium foot and the AC not used at all. |
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