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2010 Is250 Improved Gas Mileage


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My wife just got a 2010 IS250 RWD. I was curious if there were engine mods that I could do to improve gas mileage? I'm assuming that switching to synthetic oil may help. What about a new air intake? Upgraded computer chip? Anything else?

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driving habits will do more than any mod you can do to the car. Common sense...starts and stops...slowly, conservatively. Keep tire pressure up, but with tpms, thats easy. Maybe a K&N filter. But really, the way you drive will do way more than any "mod".

FWIW, our 09 IS 250 AWD consistently gets 27 to 29, with more on a trip...they really can be very economical cars!!!

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