SidewallerTire & wheel calculators

165/60R14 vs 185/65R14

185/65R14 is 7.7% taller (+1.67 in) and 0.79 in wider than 165/60R14.

Large
Big change

185/65R14 is 7.7% taller than 165/60R14. Beyond 5% you usually need a lift or leveling kit, a speedometer recalibration and sometimes new gears.

165/60R14185/65R14Change
Diameter21.80″23.47″+1.67″+7.7%
Width6.50″7.28″+0.79″+12.1%
Sidewall3.90″4.73″+0.84″+21.5%
Circumference68.5″73.7″+5.3″+7.7%
Wheel14″14″Same
Revs per mile925859−66
SideTread
165/60R14185/65R14
Speedometer shows 60 mph64.6mph

Real speed on 185/65R14.

Ground clearance+0.84in

Change in height under the axle.

Width per side+0.39in

On the same wheel, split inboard and outboard.

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165/60R14 or 185/65R14?

Can I use 185/65R14 instead of 165/60R14?

185/65R14 is 7.7% taller than 165/60R14. Beyond 5% you usually need a lift or leveling kit, a speedometer recalibration and sometimes new gears. 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 185/65R14 you are really doing 64.6 mph if the speedometer was set up for 165/60R14. Going the other way, 165/60R14 would make it read 55.7 mph at a real 60.

How much ground clearance does it change?

Half the diameter difference: +0.84 in (+21 mm) under the axle.

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