205/55R15 vs 215/45R16
215/45R16 is 0.26 in (6.6 mm) shorter than 205/55R15, a −1.09% diameter difference. With the speedometer set for 205/55R15, an indicated 60 mph is 59.3 mph on 215/45R16.
Is this a safe swap?
Diameter difference −1.09%: within the ±3% guideline
By overall diameter alone, 215/45R16 falls inside the ±3% range commonly used as a guideline when replacing 205/55R15. This check uses diameter only. It does not assess load index, speed rating, wheel width or clearance.
| Measurement | 205/55R15 | 215/45R16 | Difference | % diff |
|---|---|---|---|---|
| Overall diameter | 23.88 in (606.5 mm) | 23.62 in (599.9 mm) | −0.26 in (−6.6 mm) | −1.09% |
| Sidewall height | 4.44 in (112.8 mm) | 3.81 in (96.8 mm) | −0.63 in (−16.0 mm) | −14.19% |
| Section width | 8.07 in (205.0 mm) | 8.46 in (215.0 mm) | +0.39 in (+10.0 mm) | +4.88% |
| Circumference | 75.01 in (1,905.4 mm) | 74.20 in (1,884.6 mm) | −0.82 in (−20.7 mm) | −1.09% |
| Revolutions per mile | 845 | 854 | +9 | +1.10% |
| Indicated | Actual on 205/55R15 | Actual on 215/45R16 | Difference |
|---|---|---|---|
| 30 mph | 30.0 mph | 29.7 mph | −0.3 mph |
| 60 mph | 60.0 mph | 59.3 mph | −0.7 mph |
| 75 mph | 75.0 mph | 74.2 mph | −0.8 mph |
Ride-height change: 215/45R16 lowers the vehicle by 0.13 in (3.3 mm) at the axle (half the −6.6 mm diameter difference).
215/45R16 is 0.26 in shorter than 205/55R15 and 10 mm wider, a 1.09% difference in overall diameter.
With the speedometer calibrated for 205/55R15, an indicated 60 mph is actually 59.3 mph on 215/45R16, and revolutions per mile change from 845 to 854.
215/45R16 mounts on a 16-inch wheel, a plus-1 fitment from the 15-inch wheel of 205/55R15.
Size pages
Other comparisons with 205/55R15
- 175/80R13 vs 205/55R15
- 175/70R14 vs 205/55R15
- 205/60R14 vs 205/55R15
- 155/80R14 vs 205/55R15
- 195/65R14 vs 205/55R15
- 185/70R14 vs 205/55R15
- 185/55R15 vs 205/55R15
- 205/50R15 vs 205/55R15
Other comparisons with 215/45R16
- 185/65R14 vs 215/45R16
- 175/70R14 vs 215/45R16
- 205/60R14 vs 215/45R16
- 155/80R14 vs 215/45R16
- 195/65R14 vs 215/45R16
- 165/65R15 vs 215/45R16
- 195/55R15 vs 215/45R16
- 215/50R15 vs 215/45R16
Source: Calculated from standard tire geometry formulas. Verified . How these numbers are calculated.