Forum Thread

Ford Escape Tire Question

house kitten 6,899 December 1, 2010 at 08:28 AM
I have a 2002 Ford Escape which is a winter beater for us. The vehicle needs new tires and the current ones measure 235 70R 16. I have some new tires from a pick up that are 245 75R 16. Can I use those tires on the Escape? I plan to get rid of it in the spring so these tires will only be for winter use and just a few months.

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#2
ughhh just because the tire OD is the same doesn't mean that they are interchangeable.

http://www.discounttiredirect.com...dewall.jsp

So
235 70R 16 vs. 245 75R 16

meaning the truck tires are the same OD but the ratios are off. The car tire is 235mm wide with a 70% wall ratio meaning the sidewall is 165mm. The truck tire is 245mm wide with a 75% ratio meaning the sidewall is 184mm. What this ultimately means is that the rims on the truck will be a smaller OD (pro's correct me if I'm wrong). Then the question is, will smaller rims fit on the car without interfering with the brakes and etc, and will the lug patterns match?
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#3
Quote from Dr. J View Post :
ughhh just because the tire OD is the same doesn't mean that they are interchangeable.

http://www.discounttiredirect.com...dewall.jsp

So
235 70R 16 vs. 245 75R 16

meaning the truck tires are the same OD but the ratios are off. The car tire is 235mm wide with a 70% wall ratio meaning the sidewall is 165mm. The truck tire is 245mm wide with a 75% ratio meaning the sidewall is 184mm. What this ultimately means is that the rims on the truck will be a smaller OD (pro's correct me if I'm wrong). Then the question is, will smaller rims fit on the car without interfering with the brakes and etc, and will the lug patterns match?
I did not mention rims. I am questioning tires only, They will be mounted on the stock rims in use now. I am aware that vehicles can use different size tires so am wondering if these fit? Also I wil be replacing all 4 tires not just 2 which may cause complications.
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#4
They're both taller and wider so its possible the tires are going to rub against the sidewalls or might hit against them when going across rough surfaces or while cornering. Your odometer and speed reported will also not be correct. And probably will result in a slight mileage decrease too. Stability, ABS, etc could possibly be affected to.
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#5
From http://www.miata.net/garage/tirecalc.html
you should be able to fit your wider tires on your car and it will save a little fuel traveling the same distance comparing to the old tire because of less engine rev. is needed. IF
1. 10mm wider tire can be handle by the rim (most likely) - use soapy water method to test the seal after inflation.
2. the fender well clearance and camber settings allows 773.9mm-735.4mm=38.5mm(~1.5in) extra diameter (possibility 80% without adjustment or kit) so the car's alignment won't be off and cause pre-mature tire wear on the inside sidewall. You certainly need to do tire balancing and re-alignment after the replacement.

After the replacement you should feel the gas mpg should be about the same even if you drive under freezing weather condition(if your Esacpe's engine is working correctly) instead of getting decreasing mpg due to colder engine like most cars because of the bigger tire. However due to the taller (larger sidewall ratio) configuration (wider tires don't compensate that much) you will most likely feel "wiggly" or "floating" while you drive on the 245mm tires. It's something that you have to try and see for yourself.
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Last edited by teetee1 December 1, 2010 at 10:42 AM
#6
Quote from Dr. J View Post :
ughhh just because the tire OD is the same doesn't mean that they are interchangeable.

http://www.discounttiredirect.com...dewall.jsp

So
235 70R 16 vs. 245 75R 16

meaning the truck tires are the same OD but the ratios are off. The car tire is 235mm wide with a 70% wall ratio meaning the sidewall is 165mm. The truck tire is 245mm wide with a 75% ratio meaning the sidewall is 184mm. What this ultimately means is that the rims on the truck will be a smaller OD (pro's correct me if I'm wrong). Then the question is, will smaller rims fit on the car without interfering with the brakes and etc, and will the lug patterns match?
The rim diameter is determined by the number after R of the tire. The overall diameter varies by tires width and its sidewall ratio. If you have R16 tires you use them on 16in rims.
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#7
Quote from teetee1 View Post :
The rim diameter is determined by the number after R of the tire. The overall diameter varies by tires width and its sidewall ratio. If you have R16 tires you use them on 16in rims.
so that means if the sidewall changes then the OD of the tire changes, which has fitment and odometer/speedometer issues
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#8
Quote from teetee1 View Post :
The rim diameter is determined by the number after R of the tire. The overall diameter varies by tires width and its sidewall ratio. If you have R16 tires you use them on 16in rims.
I appreciate all the help but rims has nothing to do with my post.
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#9
The fact is the 245/75R16 tires are 1.5" bigger in diameter and 10mm (3/8") wider than the stock size. I don't think anyone here can tell you if they will fit your specific vehicle or not. You can try it, but as others have said, the larger tires may rub in the wheel wells when turning or going over large bumps.

I put winter tires on my car that are the same width, but 1" bigger in diameter and do not have any fitment issues or rubbing. But every vehicle is different. The Escape probably has enough clearance for it to not be an issue.
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#10
A quick google search shows people running that size on Escapes with no issues except watch for a slight speedometer difference possibly.
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#11
Quote from MajorDarkside View Post :
A quick google search shows people running that size on Escapes with no issues except watch for a slight speedometer difference possibly.
I tried googling before posting and find nothing specific. There are 3 trim models for this vehicle and they all take a different size tire. Would you mind sharing some links?
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#12
Quote from house kitten View Post :
I appreciate all the help but rims has nothing to do with my post.
My previous post was for Dr. J. and that's why I quoted what he/she said about the rim. And yes it has nothing to do with your question. You're welcome!
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#13
Quote from teetee1 View Post :
My previous post was for Dr. J. and that's why I quoted what he/she said about the rim. And yes it has nothing to do with your question. You're welcome!
I am very sorry and your post with the link is most helpful. I appreciate it. Your post was one of the most helpful posts I have ever received on SD.
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#14
Here's a link to an Escape forum with this tire size discussion:

http://www.escape-central.com/1fo...adid=26873
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#15
Quote from MajorDarkside View Post :
A quick google search shows people running that size on Escapes with no issues except watch for a slight speedometer difference possibly.
I would be looking for a Ford Escape forum. There is a forum for every car, and someone there will know better.
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