155/80R14 vs 195/50R16
195/50R16 is 0.09 in (2.2 mm) shorter than 155/80R14, a −0.36% diameter difference. With the speedometer set for 155/80R14, an indicated 60 mph is 59.8 mph on 195/50R16.
Is this a safe swap?
Diameter difference −0.36%: under 1%
By overall diameter alone, 195/50R16 is a near match for 155/80R14; the speedometer changes by less than 1%. This check uses diameter only. It does not assess load index, speed rating, wheel width or clearance.
| Measurement | 155/80R14 | 195/50R16 | Difference | % diff |
|---|---|---|---|---|
| Overall diameter | 23.76 in (603.6 mm) | 23.68 in (601.4 mm) | −0.09 in (−2.2 mm) | −0.36% |
| Sidewall height | 4.88 in (124.0 mm) | 3.84 in (97.5 mm) | −1.04 in (−26.5 mm) | −21.37% |
| Section width | 6.10 in (155.0 mm) | 7.68 in (195.0 mm) | +1.57 in (+40.0 mm) | +25.81% |
| Circumference | 74.66 in (1,896.3 mm) | 74.38 in (1,889.4 mm) | −0.27 in (−6.9 mm) | −0.36% |
| Revolutions per mile | 849 | 852 | +3 | +0.37% |
| Indicated | Actual on 155/80R14 | Actual on 195/50R16 | Difference |
|---|---|---|---|
| 30 mph | 30.0 mph | 29.9 mph | −0.1 mph |
| 60 mph | 60.0 mph | 59.8 mph | −0.2 mph |
| 75 mph | 75.0 mph | 74.7 mph | −0.3 mph |
Ride-height change: 195/50R16 lowers the vehicle by 0.04 in (1.1 mm) at the axle (half the −2.2 mm diameter difference).
195/50R16 is 0.09 in shorter than 155/80R14 and 40 mm wider, a 0.36% difference in overall diameter.
With the speedometer calibrated for 155/80R14, an indicated 60 mph is actually 59.8 mph on 195/50R16, and revolutions per mile change from 849 to 852.
195/50R16 mounts on a 16-inch wheel, a plus-2 fitment from the 14-inch wheel of 155/80R14.
Size pages
Other comparisons with 155/80R14
- 165/80R13 vs 155/80R14
- 175/80R13 vs 155/80R14
- 185/65R14 vs 155/80R14
- 175/70R14 vs 155/80R14
- 205/60R14 vs 155/80R14
- 155/80R14 vs 195/65R14
- 155/80R14 vs 185/70R14
- 155/80R14 vs 215/50R15
Other comparisons with 195/50R16
- 185/65R14 vs 195/50R16
- 175/70R14 vs 195/50R16
- 205/60R14 vs 195/50R16
- 195/65R14 vs 195/50R16
- 165/65R15 vs 195/50R16
- 195/55R15 vs 195/50R16
- 215/50R15 vs 195/50R16
- 185/60R15 vs 195/50R16
Source: Calculated from standard tire geometry formulas. Verified . How these numbers are calculated.