CarSpecsHQ

195/65R15 vs 205/65R15

205/65R15 is a safe swap for 195/65R15 by the usual ±3% rule: the diameter differs by +2.05%.

15" rim
195/65R15 24.98" · 205/65R15 25.49" · drawn to scale

Side by side

195/65R15205/65R15Difference
Overall diameter24.98"25.49"+0.51" (+2.05%)
Section width195 mm205 mm+10 mm
Sidewall4.99"5.25"+0.26"
Rim15"15"same
Circumference78.5"80.1"+1.6"
Revs per mile807791-16
Ride height——+0.26"
Speedometer reads 60 mph60.061.2+1.2 mph

Speedometer and odometer

020406080100120 reads 60 · actual 61.2 mph

With 205/65R15 on a car calibrated for 195/65R15, the speedometer reads 58.8 mph when you're really doing 60, and the odometer under-counts by 2.0%.

Speedo showsActual speed
30 mph30.6 mph
45 mph45.9 mph
60 mph61.2 mph
70 mph71.4 mph
80 mph81.6 mph

Other sizes close to 195/65R15

Questions

Can I replace 195/65R15 with 205/65R15?

205/65R15 is a safe swap for 195/65R15 by the usual ±3% rule: the diameter differs by +2.05%.

What's the difference between 195/65R15 and 205/65R15?

205/65R15 is 0.51" taller and 10 mm wider; the sidewall is +0.26". At an indicated 60 mph you'd actually be doing 61.2 mph.

Will 205/65R15 fit on 195/65R15 wheels?

Both use a 15" rim, so the wheel diameter matches; check the wheel's width range for a 205 mm tire and the fender clearance.