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Different tire sizes on same car.?
I have a 94 Civic with 205/45/16 tires in the back and I need to change the front tires and found a good deal on 205/40/16 tires. What are any of the drawbacks if I did this?
Awesome responses.. Thank you everyone! I will probably get those smaller tires for the front.. It might even make the car look meaner ^_^
The stock tire size for my car is 165/70/13 and following the calcuations you posted, with stock tires on the ride will be 11.04" off the ground so these 205/40/16 tires should be ok
14 Answers
- 1 decade agoFavorite Answer
Tires on the same axle or end need to be the same size so if both are going on the front, you'll be "okay". But let's look at what is happening.
The tire size 205/40-16 means this: the footprint (tread is 205mm wide. The sidewall is 40% of the tread width (for this tire that's 82mm) and the wheel size is 16 inches (or 406mm).
This means that this tire will place your axles 82+203mm (285mm or 11.22") off the ground. Will this clear the oil pan and transmission?
You would also need to calculate the circumference of the standard size tires/wheels as well as the new ones to see if those values match. If they don't you speedometer will indicate incorrectly. A smaller circumference will make the speedo read faster than you are going, but a larger value will make it read slower than actual.
http://www.tirerack.com/ has calculators that will help you determine all of these numbers for your tires, wheels, and car.
- 1 decade ago
No real life drawbacks Ride may be slightly stiffer up front for a 40 series tire. Speedometer will be off by a very minor percent, but not enough to notice or get a ticket unless you're going over 100mph or so.
- Anonymous1 decade ago
nope, the front whell drive side to side is all that have to be the same size, back in the day, I put larger tires on the back, and smaller on the front for the look.
- 1 decade ago
usualy the most that will happen is it will help guzzle ur gas..which the way gas prices are depending where ur at not to smart itll screw you in the long run u think ur getting a deal on the tires but ull end up payin way more in gas..
Source(s): my father was a mechanic for 20...R.I.P. and so i my uncle and me! - How do you think about the answers? You can sign in to vote the answer.
- Anonymous1 decade ago
Yea you would be missing the 5 in your 45. Sounds to me you need a monster truck.
- omnisourceLv 61 decade ago
They'd be a tiny little bit less wide of a footprint. Barely noticeable.Not enough to even worry about.
- 1 decade ago
just that the back of your car will be higher then the front. not that bad but it will probably be pretty uncomfortable. but you mught like it, who knows. Good Luck!!
- 1 decade ago
If you have ABS on the car you may have problems. Otherwise, it'll just look a little funny.
- ladiloveLv 41 decade ago
Well I don't know if it safe are not. best bet is to ask the person mounting your tires if it is safe.
