195/50R16 vs 205/55R16
205/55R16 is outside the ±3% rule as a replacement for 195/50R16: the diameter differs by +5.07%, so the speedometer, odometer and ABS calibration will be off and clearance needs checking.
Speedometer and odometer
With 205/55R16 on a car calibrated for 195/50R16, the speedometer reads 57.1 mph when you're really doing 60, and the odometer under-counts by 5.1%.
| Speedo shows | Actual speed |
|---|---|
| 30 mph | 31.5 mph |
| 45 mph | 47.3 mph |
| 60 mph | 63.0 mph |
| 70 mph | 73.6 mph |
| 80 mph | 84.1 mph |
Other sizes close to 195/50R16
- 195/50R16 vs 185/60R15+0.27%
- 195/50R16 vs 195/55R16+3.24%
- 195/50R16 vs 225/50R16+4.99%
- 195/50R16 vs 205/50R16+1.66%
- 195/50R16 vs 205/40R17-0.93%
- 195/50R16 vs 195/55R15-0.98%
- 195/50R16 vs 185/55R16+1.41%
- 195/50R16 vs 205/45R16-1.75%
- 195/50R16 vs 215/40R17+0.40%
- 195/50R16 vs 225/50R15+0.76%
- 195/50R16 vs 245/45R16+4.24%
Questions
Can I replace 195/50R16 with 205/55R16?
205/55R16 is outside the ±3% rule as a replacement for 195/50R16: the diameter differs by +5.07%, so the speedometer, odometer and ABS calibration will be off and clearance needs checking.
What's the difference between 195/50R16 and 205/55R16?
205/55R16 is 1.20" taller and 10 mm wider; the sidewall is +0.60". At an indicated 60 mph you'd actually be doing 63.0 mph.
Will 205/55R16 fit on 195/50R16 wheels?
Both use a 16" rim, so the wheel diameter matches; check the wheel's width range for a 205 mm tire and the fender clearance.