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Lexus IS MPG


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Model Year Body/Powertrain MPG  
2003 2003 4dr Sedan 204-hp 2.5L V6 6-sp manual RWD 23.43
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With the 204-horsepower 2.5L V6 engine, 6-speed manual transmission, and rear-wheel drive, the 2003 Lexus IS has been averaging 23.43 MPG (miles per gallon).

The 2003 Lexus ISs in this analysis were driven mostly on the highway at an average speed of 75 miles per hour (about 70 percent of the miles driven). The rest of the miles were in the suburbs (0 percent), in the city (0 percent), and in heavy traffic (0 percent).

In addition, the average 2003 Lexus IS in this analysis was driven on flat terrain with a medium foot and the AC not used at all.
2003 2003 4dr Sedan 204-hp 2.5L V6 6-sp shiftable automatic RWD 19.58
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What Our Members Are Saying about the Real Gas Mileage of the 2003 Lexus IS

2003 Lexus IS Real Gas Mileage: Cons
2002 4dr Wagon 215-horsepower 3.0L I6
5-speed shiftable automatic RWD
For a small, relatively modestly powered car, it gets poor economy. Corvettes and most Porsches get better economy. see full Lexus IS review

2003 Lexus IS 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 Lexus IS's real-world MPG based on how and where you drive a car.