Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 215/40-18 | 215/35-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.77 (629.2) | 23.93 (607.7) | -0.85 (-21.5) -3.4% |
| Width inches (mm) | 8.46 (215) | 8.46 (215) | 0 (0) 0% |
| Circum. inches (mm) | 77.82 (1976.69) | 75.16 (1909.15) | -2.66 (-67.54) -3.4% |
| Sidewall Height inches (mm) | 3.39 (86) | 2.96 (75.25) | -0.42 (-10.75) -12.5% |
| Revolutions per mile (km) | 814.16 (505.9) | 842.97 (523.79) | 28.8 (17.9) 3.5% |
215/35-18 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.32 mph (31.09 km/h) |
| 25 mph (40.23 km/h) | 24.15 mph (38.86 km/h) |
| 30 mph (48.28 km/h) | 28.97 mph (46.63 km/h) |
| 35 mph (56.33 km/h) | 33.8 mph (54.4 km/h) |
| 40 mph (64.37 km/h) | 38.63 mph (62.17 km/h) |
| 45 mph (72.42 km/h) | 43.46 mph (69.95 km/h) |
| 50 mph (80.47 km/h) | 48.29 mph (77.72 km/h) |
| 55 mph (88.51 km/h) | 53.12 mph (85.49 km/h) |
| 60 mph (96.56 km/h) | 57.95 mph (93.26 km/h) |
| 65 mph (104.61 km/h) | 62.78 mph (101.03 km/h) |
| 70 mph (112.65 km/h) | 67.61 mph (108.8 km/h) |
| 75 mph (120.7 km/h) | 72.44 mph (116.58 km/h) |
| 80 mph (128.75 km/h) | 77.27 mph (124.35 km/h) |
| 85 mph (136.79 km/h) | 82.1 mph (132.12 km/h) |
| 90 mph (144.84 km/h) | 86.92 mph (139.89 km/h) |
| 95 mph (152.89 km/h) | 91.75 mph (147.66 km/h) |
| 100 mph (160.93 km/h) | 96.58 mph (155.44 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2145 | 2492 | 2684 | 2802 | 2930 | 3022 | 3122 | 3241 | 3405 | 3569 | 3752 | 3898 | 4163 | 4455 | 4683 | 4829 | 4911 | 5212 | 5632 | 6545 |
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