Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/40-18 | 215/65-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.09 (637.2) | 27 (685.9) | 1.92 (48.7) 7.6% |
| Width inches (mm) | 8.86 (225) | 8.46 (215) | -0.39 (-10) -4.4% |
| Circum. inches (mm) | 78.81 (2001.82) | 84.84 (2154.82) | 6.02 (153) 7.6% |
| Sidewall Height inches (mm) | 3.54 (90) | 5.5 (139.75) | 1.96 (49.75) 55.3% |
| Revolutions per mile (km) | 803.94 (499.54) | 746.86 (464.08) | -57.08 (-35.47) -7.1% |
215/65-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.53 mph (34.65 km/h) |
| 25 mph (40.23 km/h) | 26.91 mph (43.31 km/h) |
| 30 mph (48.28 km/h) | 32.29 mph (51.97 km/h) |
| 35 mph (56.33 km/h) | 37.67 mph (60.63 km/h) |
| 40 mph (64.37 km/h) | 43.06 mph (69.29 km/h) |
| 45 mph (72.42 km/h) | 48.44 mph (77.96 km/h) |
| 50 mph (80.47 km/h) | 53.82 mph (86.62 km/h) |
| 55 mph (88.51 km/h) | 59.2 mph (95.28 km/h) |
| 60 mph (96.56 km/h) | 64.59 mph (103.94 km/h) |
| 65 mph (104.61 km/h) | 69.97 mph (112.6 km/h) |
| 70 mph (112.65 km/h) | 75.35 mph (121.26 km/h) |
| 75 mph (120.7 km/h) | 80.73 mph (129.93 km/h) |
| 80 mph (128.75 km/h) | 86.11 mph (138.59 km/h) |
| 85 mph (136.79 km/h) | 91.5 mph (147.25 km/h) |
| 90 mph (144.84 km/h) | 96.88 mph (155.91 km/h) |
| 95 mph (152.89 km/h) | 102.26 mph (164.57 km/h) |
| 100 mph (160.93 km/h) | 107.64 mph (173.23 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1901 | 2208 | 2378 | 2483 | 2596 | 2677 | 2766 | 2871 | 3017 | 3162 | 3324 | 3453 | 3688 | 3947 | 4149 | 4278 | 4351 | 4618 | 4990 | 5799 |
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