Tire aspect ratio - problems if change from 60 to 65?

[jtmann]

Hi

I am switching my all seasons to winters on my 06 Sebring Sedan. My all seasons are P205/60R15. For my winters I can go with same or move sluightly different aspect ratio P205/65R15. A friend also has same Sebring and uses 60R15 all seasons and 65R15 for winter.

Is the shift in aspect ratio from 60 to 65 something that you recommend, suggest avoid or is it insignficant?

Thanks!

[mmorriso]

it is the overall diameter that is of concern, not just the aspect ratio.  the 205/65/15 will be over 3% bigger than 205/60/15, therefore not recommended.  stick with the stock size or go with 195/65/15 if you like.

see calculator

http://www.1010tires.com/TireSizeCalculator.asp?action=submit

those are very popular sizes so you should have no trouble finding a winter tire to suit your needs (18 to choose form on 1010tires.com)

this is all assuming that your 205/60/15 was the correct size to start with...most databases show the sebring stock size is 205/60/16.

if in fact your stock size is 205/50/16 you will have no trouble downsizing to 205/65/15, you'll just need new rims.

[DKaz]

It's about 3.2% ish larger diameter which is a bit above the limit.... I'd consider 195/65R15 which is very common and inexpensive in comparison.

[Nathan@1010tires]

195/65R15 is a great suggestion.

[Winklovic]

JT: I'm sure your car has the 205/60R16 as standard, not 15 as you stated.

The 205/65R15 are as close to an exact match as your going to get.  The difference in size is 0.8%, meaning you'd be going 99.2 km/h if your speedo was saying 100 km/h.  This is according to the Canadian Driver Tire Calculator. 

My 2002 Sebring has 205/60R16 in the summer, 205/65R15 in the winter.