205/50R16 vs 225/55R16
225/55R16 is 7.0% taller (+1.67 in) and 0.79 in wider than 205/50R16.
225/55R16 is 7.0% taller than 205/50R16. Beyond 5% you usually need a lift or leveling kit, a speedometer recalibration and sometimes new gears.
Real speed on 225/55R16.
Change in height under the axle.
On the same wheel, split inboard and outboard.
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205/50R16 or 225/55R16?
Can I use 225/55R16 instead of 205/50R16?
225/55R16 is 7.0% taller than 205/50R16. 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 225/55R16 you are really doing 64.2 mph if the speedometer was set up for 205/50R16. Going the other way, 205/50R16 would make it read 56.1 mph at a real 60.
How much ground clearance does it change?
Half the diameter difference: +0.84 in (+21 mm) under the axle.