Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/55-18 | 215/45-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.01 (660.7) | 23.62 (599.9) | -2.39 (-60.8) -9.2% |
| Width inches (mm) | 7.28 (185) | 8.46 (215) | 1.18 (30) 16.2% |
| Circum. inches (mm) | 81.72 (2075.65) | 74.2 (1884.64) | -7.52 (-191.01) -9.2% |
| Sidewall Height inches (mm) | 4.01 (101.75) | 3.81 (96.75) | -0.2 (-5) -4.9% |
| Revolutions per mile (km) | 775.34 (481.78) | 853.93 (530.6) | 78.58 (48.83) 10.1% |
215/45-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.16 mph (29.22 km/h) |
| 25 mph (40.23 km/h) | 22.7 mph (36.53 km/h) |
| 30 mph (48.28 km/h) | 27.24 mph (43.84 km/h) |
| 35 mph (56.33 km/h) | 31.78 mph (51.14 km/h) |
| 40 mph (64.37 km/h) | 36.32 mph (58.45 km/h) |
| 45 mph (72.42 km/h) | 40.86 mph (65.76 km/h) |
| 50 mph (80.47 km/h) | 45.4 mph (73.06 km/h) |
| 55 mph (88.51 km/h) | 49.94 mph (80.37 km/h) |
| 60 mph (96.56 km/h) | 54.48 mph (87.67 km/h) |
| 65 mph (104.61 km/h) | 59.02 mph (94.98 km/h) |
| 70 mph (112.65 km/h) | 63.56 mph (102.29 km/h) |
| 75 mph (120.7 km/h) | 68.1 mph (109.59 km/h) |
| 80 mph (128.75 km/h) | 72.64 mph (116.9 km/h) |
| 85 mph (136.79 km/h) | 77.18 mph (124.21 km/h) |
| 90 mph (144.84 km/h) | 81.72 mph (131.51 km/h) |
| 95 mph (152.89 km/h) | 86.26 mph (138.82 km/h) |
| 100 mph (160.93 km/h) | 90.8 mph (146.12 km/h) |
| 2.35 | 2.73 | 2.94 | 3.07 | 3.21 | 3.31 | 3.42 | 3.55 | 3.73 | 3.91 | 4.11 | 4.27 | 4.56 | 4.88 | 5.13 | 5.29 | 5.38 | 5.71 | 6.17 | 7.17 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2173 | 2524 | 2719 | 2839 | 2968 | 3061 | 3163 | 3283 | 3449 | 3616 | 3801 | 3949 | 4217 | 4513 | 4744 | 4892 | 4975 | 5280 | 5705 | 6630 |
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