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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 shiftable automatic RWD 19.58
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With the turbocharged 241hp 2.0L I4 engine, 8-speed shiftable automatic transmission, and rear-wheel drive, the 2003 Lexus IS has been averaging 19.58 MPG (miles per gallon).

The 2003 Lexus ISs in this analysis were driven mostly on the highway at an average speed of 88 miles per hour (about 41.3 percent of the miles driven). The rest of the miles were in the city (32.5 percent), in heavy traffic (8.8 percent), and in the suburbs (0 percent).

In addition, the average 2003 Lexus IS in this analysis was driven on flat terrain with a medium foot and the AC on only some of the time.

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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
YearBody/PowertrainComment
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.