Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 210/40-18 | 335/30-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.61 (625.2) | 25.91 (658.2) | 1.3 (33) 5.3% |
| Width inches (mm) | 8.27 (210) | 13.19 (335) | 4.92 (125) 59.5% |
| Circum. inches (mm) | 77.33 (1964.12) | 81.41 (2067.8) | 4.08 (103.67) 5.3% |
| Sidewall Height inches (mm) | 3.31 (84) | 3.96 (100.5) | 0.65 (16.5) 19.6% |
| Revolutions per mile (km) | 819.37 (509.13) | 778.29 (483.61) | -41.08 (-25.53) -5% |
335/30-18 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.06 mph (33.89 km/h) |
| 25 mph (40.23 km/h) | 26.32 mph (42.36 km/h) |
| 30 mph (48.28 km/h) | 31.58 mph (50.83 km/h) |
| 35 mph (56.33 km/h) | 36.85 mph (59.3 km/h) |
| 40 mph (64.37 km/h) | 42.11 mph (67.77 km/h) |
| 45 mph (72.42 km/h) | 47.38 mph (76.24 km/h) |
| 50 mph (80.47 km/h) | 52.64 mph (84.71 km/h) |
| 55 mph (88.51 km/h) | 57.9 mph (93.19 km/h) |
| 60 mph (96.56 km/h) | 63.17 mph (101.66 km/h) |
| 65 mph (104.61 km/h) | 68.43 mph (110.13 km/h) |
| 70 mph (112.65 km/h) | 73.69 mph (118.6 km/h) |
| 75 mph (120.7 km/h) | 78.96 mph (127.07 km/h) |
| 80 mph (128.75 km/h) | 84.22 mph (135.54 km/h) |
| 85 mph (136.79 km/h) | 89.49 mph (144.01 km/h) |
| 90 mph (144.84 km/h) | 94.75 mph (152.49 km/h) |
| 95 mph (152.89 km/h) | 100.01 mph (160.96 km/h) |
| 100 mph (160.93 km/h) | 105.28 mph (169.43 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1981 | 2301 | 2478 | 2587 | 2705 | 2790 | 2882 | 2992 | 3144 | 3295 | 3464 | 3599 | 3843 | 4113 | 4324 | 4458 | 4534 | 4812 | 5200 | 6043 |
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