[問題] audi a4 tire downgrade

[rr444 (earth scrap)]

hi everyone,

do you think it is ok to downgrade the tire size

from 235/45/17 to 215/40/17 on my audi a4 3.0?

all i want is try to improve little fuel ecemony

and lower couple centimeters on the car body height?

thanks

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推 zeta:235 to 215 is ok bu you should re-check the flat rate
→ zeta:I think 215/55 or 215/50 is more accurate~
推 DamnIAmSucks:An apple a day keeps the doctor away
推 ChungCC:3F....
推 GianniJiang:215/45R17  is better 4 ur car
推 airfly:why dont u consider a set of light-weight rim?
→ airfly:One KG less per rim keeps the fuel more in ur tank
推 JerryLi:3F I push you...