CarSpecsHQ

185/70R14 vs 195/60R15

195/60R15 is a safe swap for 185/70R14 by the usual ±3% rule: the diameter differs by +0.07%.

14" → 15"
185/70R14 24.20" · 195/60R15 24.21" · drawn to scale

Side by side

185/70R14195/60R15Difference
Overall diameter24.20"24.21"+0.02" (+0.07%)
Section width185 mm195 mm+10 mm
Sidewall5.10"4.61"-0.49"
Rim14"15"+1"
Circumference76.0"76.1"+0.0"
Revs per mile834833-1
Ride height——+0.01"
Speedometer reads 60 mph60.060.0+0.0 mph

Speedometer and odometer

020406080100120 reads 60 · actual 60.0 mph

With 195/60R15 on a car calibrated for 185/70R14, the speedometer reads 60.0 mph when you're really doing 60, and the odometer under-counts by 0.1%.

Speedo showsActual speed
30 mph30.0 mph
45 mph45.0 mph
60 mph60.0 mph
70 mph70.0 mph
80 mph80.1 mph

Other sizes close to 185/70R14

Questions

Can I replace 185/70R14 with 195/60R15?

195/60R15 is a safe swap for 185/70R14 by the usual ±3% rule: the diameter differs by +0.07%.

What's the difference between 185/70R14 and 195/60R15?

195/60R15 is 0.02" taller and 10 mm wider; the sidewall is -0.49". At an indicated 60 mph you'd actually be doing 60.0 mph.

Will 195/60R15 fit on 185/70R14 wheels?

No — 185/70R14 needs a 14" wheel and 195/60R15 a 15" wheel. This is a plus/minus-size swap that changes wheels too.