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Lexus IS Fuel Economy Data

4dr Sedan 215-hp 3.0L I6 5-sp shiftable automatic RWD

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
hills lead light 5 20 20 55 80 18.750
flat lead none 0 70 20 10 60 18.500
flat med none 0 5 15 80 75 23.500
flat med light 10 60 10 20 70 20.000
flat med hvy 0 20 0 80 80 21.897
flat med hvy 0 20 0 80 80 21.923
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flat med hvy 0 20 0 80 80 21.248
flat med hvy 0 20 0 80 80 21.933
flat med hvy 0 20 0 80 80 21.838
flat med hvy 0 20 0 80 80 21.603
flat med hvy 0 20 0 80 80 21.395

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2004 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.