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2003 Nissan Altima Gas Mileage (MPG)

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.

If you are not a TrueDelta member, you can see only five Nissan Altima MPG gas mileage averages for each powertrain. Log in or join us to see them all.

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.
 
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
YearBody/PowertrainComment
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