Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/90-18 | 215/35-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.69 (754.2) | 23.93 (607.7) | -5.77 (-146.5) -19.4% |
| Width inches (mm) | 6.5 (165) | 8.46 (215) | 1.97 (50) 30.3% |
| Circum. inches (mm) | 93.28 (2369.39) | 75.16 (1909.15) | -18.12 (-460.24) -19.4% |
| Sidewall Height inches (mm) | 5.85 (148.5) | 2.96 (75.25) | -2.88 (-73.25) -49.3% |
| Revolutions per mile (km) | 679.22 (422.05) | 842.97 (523.79) | 163.74 (101.74) 24.1% |
215/35-18 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 16.12 mph (25.93 km/h) |
| 25 mph (40.23 km/h) | 20.14 mph (32.42 km/h) |
| 30 mph (48.28 km/h) | 24.17 mph (38.9 km/h) |
| 35 mph (56.33 km/h) | 28.2 mph (45.39 km/h) |
| 40 mph (64.37 km/h) | 32.23 mph (51.87 km/h) |
| 45 mph (72.42 km/h) | 36.26 mph (58.35 km/h) |
| 50 mph (80.47 km/h) | 40.29 mph (64.84 km/h) |
| 55 mph (88.51 km/h) | 44.32 mph (71.32 km/h) |
| 60 mph (96.56 km/h) | 48.35 mph (77.8 km/h) |
| 65 mph (104.61 km/h) | 52.37 mph (84.29 km/h) |
| 70 mph (112.65 km/h) | 56.4 mph (90.77 km/h) |
| 75 mph (120.7 km/h) | 60.43 mph (97.26 km/h) |
| 80 mph (128.75 km/h) | 64.46 mph (103.74 km/h) |
| 85 mph (136.79 km/h) | 68.49 mph (110.22 km/h) |
| 90 mph (144.84 km/h) | 72.52 mph (116.71 km/h) |
| 95 mph (152.89 km/h) | 76.55 mph (123.19 km/h) |
| 100 mph (160.93 km/h) | 80.58 mph (129.67 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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