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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.