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Meph,
not sure where to begin......
How about you giver us enough info to make a decission????
For starters, how about the last number on the tire size???
it's kinda important.......
The car came stock with 205/60/14. they wiegh 19lbs and have a diameter of 23.8 inches.
THere is no 285 in a 14, 15, or 16 (at tirerack.com so I can only assume they are 17 inch??????
I 285/40/17 wieghs 30lbs. that is just the tire!!!!! so you have 11lbs X 4 spinning on each corner 44extra lbs.
the diameter is 26inches.
Again, I assume you are staying with 17 inch rims to runn the 225/50/17. they wiegh 31lbs.....1lb more or 48 extra lbs from stock spinning. They are 25.9ijnches in diameter.....why bother????? the only upside is the high sidewall "COULD" give a little softer ride.
Bottom line .....you will not get better mileage.
225/50/17 wieghs more and the profile is 9.5inches down from 11inches.
more info needed....
good luck
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