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Just got my 350 a month ago and I drive only city. Both tanks have averaged between 16-17 mpg. Not what I was expecting. I got 14-15 mpg in my 2000 mustang same driving. I was thinking I would get 20-21mpg with my lexus. First tank I definitely drove it hard but second tank I babied it, still low mpg. I've got 84k on the clock and filled up both times with premium. Any ideas on why my mpg is so low?t
Its because you drive only city, I get about that if I do all city with no hwy. Other than that, add some air to your tires if they're low, & ease up on the throttle
80 highway / 20% city. I'm getting 27-28mpg. I drive 65-70mph on the highway.
I noticed I was getting 25-26mpg for a few weeks and then the TPMS light popped on. I was 5 psi lower on each tire. After a pump of air, I was back at 27-28mpg.
Theres couple things you can do to get better gas mileage. Better intake and exhuast to help it breathe easier. Spark plugs, new fuel filter, lower weight motor oil, keep tire pressure up, feather the throttle
I drive 90% highway. I average 410 miles per tank. The most I ever got out of a tank was 454 miles ) drove it down to 0 miles left. I average 28-29 mpg. Even with 150,000 on the car, my IS350 is still getting the above numbers.
08-23-13, 07:35 PM
