SidewallerTire & wheel calculators

195/65R15 vs 205/65R15

205/65R15 is 2.0% taller (+0.51 in) and 0.39 in wider than 195/65R15.

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Close match

205/65R15 is 2.0% taller than 195/65R15. That is inside the ±3% most shops treat as a straight swap.

195/65R15205/65R15Change
Diameter24.98″25.49″+0.51″+2.0%
Width7.68″8.07″+0.39″+5.1%
Sidewall4.99″5.25″+0.26″+5.1%
Circumference78.5″80.1″+1.6″+2.0%
Wheel15″15″Same
Revs per mile807791−16
SideTread
195/65R15205/65R15
Speedometer shows 60 mph61.2mph

Real speed on 205/65R15.

Ground clearance+0.26in

Change in height under the axle.

Width per side+0.20in

On the same wheel, split inboard and outboard.

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195/65R15 or 205/65R15?

Can I use 205/65R15 instead of 195/65R15?

205/65R15 is 2.0% taller than 195/65R15. That is inside the ±3% most shops treat as a straight swap. Also match or beat the original load index and speed rating, and check that the wheel width suits the new tire.

Will my speedometer be off?

At an indicated 60 mph on 205/65R15 you are really doing 61.2 mph if the speedometer was set up for 195/65R15. Going the other way, 195/65R15 would make it read 58.8 mph at a real 60.

How much ground clearance does it change?

Half the diameter difference: +0.26 in (+7 mm) under the axle.

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