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Nissan Altima Fuel Economy (g/100m)

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Model Year	Body/Powertrain	g/100m
2004	2004 4dr Sedan 175-hp 2.5L I4 6-sp shiftable CVT FWD	3.86	See all data
With the 140 kilowatts 2.5L I4 engine, 7-speed shiftable CVT transmission, and front-wheel drive, the 2004 Nissan Altima has been averaging 3.86 L/100km (liters per 100 kilometers). The 2004 Nissan Altimas in this analysis were driven mostly on the highway at an average speed of 64 kilometers per hour (about 57.2 percent of the kilometers driven). The rest of the kilometers were in the city (12.8 percent), in heavy traffic (4 percent), and in the suburbs (0 percent). In addition, the average 2004 Nissan Altima in this analysis was driven on flat terrain with a light foot and the AC on only some of the time.

What Our Members Are Saying about the Real Gas Mileage of the 2004 Nissan Altima

2004 Nissan Altima Real Gas Mileage: Pros
Year	Body/Powertrain	Comment
2005	4dr Sedan 175-horsepower 2.5L I4 4-speed automatic FWD	its get descenet fuel economy not the best in the market but its a big car see full Nissan Altima review
2005	4dr Sedan 250-horsepower 3.5L V6 5-speed shiftable automatic FWD	best fuel economy for a v6 if you treat it right, i get 32 to 34mpg on highway consistently and between 24 to 26mpg in city driving. see full Nissan Altima review
2003	4dr Sedan 240-horsepower 3.5L V6 4-speed automatic FWD	23 to 27 mpg see full Nissan Altima review
2003	4dr Sedan 175-horsepower 2.5L I4 4-speed automatic FWD	adding a header upsets the fuel trim see full Nissan Altima review

2004 Nissan Altima Real Gas Mileage: Cons
Year	Body/Powertrain	Comment
2005	4dr Sedan 250-horsepower 3.5L V6 5-speed shiftable automatic FWD	In this time of high gas prices a 4 cylinder would be a wiser choice see full Nissan Altima review