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choosing alternate auto tire size?
I need to buy a set of tires for a 2007 Prius
the originals are GY Integrity
the options are about 6 lbs heavier and 195 vs 185 width.
If I go to a 60 instead of a 65 the turns/mile will be closer to original.
What effect will the increased weight have?
What effect will the decreased height have?
6 Answers
- Anonymous1 decade agoFavorite Answer
it will affect fuel economy but you probably wont notice.
Source(s): Toyota Master Diagnosis Technician - MeriLv 51 decade ago
The listed sizes for your vehicle are:
OEM:
185/65R15 (This is the ONLY OEM approved tire size)
Alternatives:
Fifteen inch rims:
205/60R15
Sixteen inch rims:
195/55R16
215/50R16
Seventeen inch rims:
215/45R17
Eighteen inch rims:
205/40R18
(I don't really think anyone should actually put 18" rims on their Prius. I have seen it done, but then the gas mileage sucks.)
One strong argument for sticking with the OEM approved size is that a different size can void your warranty, and not just on the rims/tires too. If your car has a defect, they can and will try to use your unapproved tire size against you when it comes to other parts of your car, even those only tangentially related to your rims/tires/brakes/suspension. Tread carefully!
Source(s): The tech info comes from the 1997=2007 Plus Sizing Guide published by Bennet Garfield. The other information comes from personal experience: I am a 2005 Prius owner who works in rim repair! - 1 decade ago
Increasing rotational mass will cause your mileage to go up a little and decreased tire height will cause more turns per mile and you will use more gas for the same journey.
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- Anonymous1 decade ago
wider tires will create more resistance and could lessen your mileage.
The Tire Rack has a tire calculator:
