Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/70-18 | 335/70-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.44 (646.2) | 36.46 (926.2) | 11.02 (280) 43.3% |
| Width inches (mm) | 5.31 (135) | 13.19 (335) | 7.87 (200) 148.1% |
| Circum. inches (mm) | 79.93 (2030.1) | 114.56 (2909.74) | 34.63 (879.65) 43.3% |
| Sidewall Height inches (mm) | 3.72 (94.5) | 9.23 (234.5) | 5.51 (140) 148.1% |
| Revolutions per mile (km) | 792.74 (492.59) | 553.09 (343.67) | -239.65 (-148.91) -30.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 28.67 mph (46.13 km/h) |
| 25 mph (40.23 km/h) | 35.83 mph (57.67 km/h) |
| 30 mph (48.28 km/h) | 43 mph (69.2 km/h) |
| 35 mph (56.33 km/h) | 50.17 mph (80.73 km/h) |
| 40 mph (64.37 km/h) | 57.33 mph (92.27 km/h) |
| 45 mph (72.42 km/h) | 64.5 mph (103.8 km/h) |
| 50 mph (80.47 km/h) | 71.67 mph (115.33 km/h) |
| 55 mph (88.51 km/h) | 78.83 mph (126.87 km/h) |
| 60 mph (96.56 km/h) | 86 mph (138.4 km/h) |
| 65 mph (104.61 km/h) | 93.16 mph (149.93 km/h) |
| 70 mph (112.65 km/h) | 100.33 mph (161.47 km/h) |
| 75 mph (120.7 km/h) | 107.5 mph (173 km/h) |
| 80 mph (128.75 km/h) | 114.66 mph (184.53 km/h) |
| 85 mph (136.79 km/h) | 121.83 mph (196.07 km/h) |
| 90 mph (144.84 km/h) | 129 mph (207.6 km/h) |
| 95 mph (152.89 km/h) | 136.16 mph (219.13 km/h) |
| 100 mph (160.93 km/h) | 143.33 mph (230.67 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1408 | 1635 | 1761 | 1839 | 1923 | 1982 | 2048 | 2126 | 2234 | 2342 | 2462 | 2557 | 2731 | 2923 | 3073 | 3168 | 3222 | 3420 | 3695 | 4294 |
Better Fuel Economy Factory Ratios Increased Power
