2003 Nissan Altima 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 Nissan Altima's real-world MPG based on how and where you drive a car.
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Nissan Altima
Nissan Altima 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 Sedan 240-horsepower 3.5L V6 4-speed automatic FWD |
flat | med | none | 10 | 20 | 40 | 30 | 65 | 24.0 |
| flat | light | light | 60 | 20 | 5 | 15 | 60 | 26.5 | ||
| flat | light | none | 0 | 35 | 0 | 65 | 75 | 27.0 | ||
| 2003 | 4dr Sedan 240-horsepower 3.5L V6 4-speed automatic FWD |
flat | light | none | 23 | 25 | 15 | 37 | 67 | 25.8 |
| Averages | flat | light | none | 23 | 25 | 15 | 37 | 67 | 25.8 | |
| With the 240-horsepower 3.5L V6 engine, 4-speed automatic transmission, and front-wheel drive, 2003 Nissan Altima fuel economy has been averaging
25.8 MPG (miles per gallon). The 2003 Nissan Altimas in this analysis were driven mostly on the highway at an average speed of 67 miles per hour (about 37 percent of the miles driven). The rest of the miles were in the city (25 percent), in heavy traffic (23 percent), and in the suburbs (15 percent). In addition the average 2003 Nissan Altima in this analysis was driven on flat 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 | 4dr Sedan 175-horsepower 2.5L I4 4-speed automatic FWD |
flat | v.lt | hvy | 5 | 10 | 15 | 70 | 60 | 32.0 |
| flat | v.lt | none | 5 | 10 | 15 | 70 | 65 | 31.0 | ||
| flat | light | none | 11 | 5 | 21 | 63 | 55 | 24.0 | ||
| hills | med | light | 0 | 0 | 7 | 93 | 70 | 24.6 | ||
| flat | med | light | 0 | 0 | 15 | 85 | 70 | 30.2 | ||
| 2003 | 4dr Sedan 175-horsepower 2.5L I4 4-speed automatic FWD |
flat | light | light | 4 | 5 | 15 | 76 | 64 | 28.4 |
| Averages | flat | light | light | 4 | 5 | 15 | 76 | 64 | 28.4 | |
| With the 175-horsepower 2.5L I4 engine, 4-speed automatic transmission, and front-wheel drive, the 2003 Nissan Altima has been averaging
28.4 MPG (miles per gallon). The 2003 Nissan Altimas in this analysis were driven mostly on the highway at an average speed of 64 miles per hour (about 76 percent of the miles driven). The rest of the miles were in the suburbs (15 percent), in the city (5 percent), and in heavy traffic (4 percent). In addition the average 2003 Nissan Altima 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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If you are not a TrueDelta member, you can see only five Nissan Altima MPG fuel economy averages for each powertrain. Log in or join us to see them all.
What Our Members Are Saying about the Real 2003 Nissan Altima MPG
| 2003 Nissan Altima Fuel Economy: Pros | ||
| Year | Body/Powertrain | Comment |
| 2003 | 4dr Sedan 240-horsepower 3.5L V6 4-speed automatic FWD |
23 to 27 mpg |
| 2003 | 4dr Sedan 175-horsepower 2.5L I4 4-speed automatic FWD |
adding a header upsets the fuel trim |
