What causes lack of performance?

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07-27-12, 07:55 AM

#91

Herofmine

Pole Position

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Quote:

Originally Posted by RDIS250AWD

With the bigger wheels molded trunk lip kit sub etc etc on and in my car and doing mostly city driving I'm already getting only 18-19 mpg. When it was bone stock I had 23-25

Last year i had loaner car 2011 is250 awd it had poor gas mileage. I felt like even worst than my 350.
If you don't push 350 and drive normaly you can get decent mpg maybe better than awd 250.
But if you push it you have to feed 3.5L 306 hp engine

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07-27-12, 08:03 AM

#92

RDIS250AWD

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Quote:

Originally Posted by Herofmine

Yeah unfortunately awd blows when it comes to gas I found that out quickly after I got it. I had to make a tough call in buying a is f or a 250 awd. I needed awd for the winters here. And I didn't wanna have to have a is f and a beater car and i couldn't justify paying more for a new 350awd over a used is f.