Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/70-18 | 395/60-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.44 (646.2) | 35.66 (905.8) | 10.22 (259.6) 40.2% |
| Width inches (mm) | 5.31 (135) | 15.55 (395) | 10.24 (260) 192.6% |
| Circum. inches (mm) | 79.93 (2030.1) | 112.03 (2845.65) | 32.11 (815.56) 40.2% |
| Sidewall Height inches (mm) | 3.72 (94.5) | 9.33 (237) | 5.61 (142.5) 150.8% |
| Revolutions per mile (km) | 792.74 (492.59) | 565.54 (351.41) | -227.2 (-141.17) -28.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 28.03 mph (45.12 km/h) |
| 25 mph (40.23 km/h) | 35.04 mph (56.4 km/h) |
| 30 mph (48.28 km/h) | 42.05 mph (67.68 km/h) |
| 35 mph (56.33 km/h) | 49.06 mph (78.96 km/h) |
| 40 mph (64.37 km/h) | 56.07 mph (90.24 km/h) |
| 45 mph (72.42 km/h) | 63.08 mph (101.51 km/h) |
| 50 mph (80.47 km/h) | 70.09 mph (112.79 km/h) |
| 55 mph (88.51 km/h) | 77.1 mph (124.07 km/h) |
| 60 mph (96.56 km/h) | 84.1 mph (135.35 km/h) |
| 65 mph (104.61 km/h) | 91.11 mph (146.63 km/h) |
| 70 mph (112.65 km/h) | 98.12 mph (157.91 km/h) |
| 75 mph (120.7 km/h) | 105.13 mph (169.19 km/h) |
| 80 mph (128.75 km/h) | 112.14 mph (180.47 km/h) |
| 85 mph (136.79 km/h) | 119.15 mph (191.75 km/h) |
| 90 mph (144.84 km/h) | 126.16 mph (203.03 km/h) |
| 95 mph (152.89 km/h) | 133.16 mph (214.31 km/h) |
| 100 mph (160.93 km/h) | 140.17 mph (225.59 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1439 | 1672 | 1801 | 1880 | 1966 | 2027 | 2094 | 2174 | 2284 | 2395 | 2517 | 2615 | 2793 | 2989 | 3142 | 3240 | 3295 | 3497 | 3779 | 4391 |
Better Fuel Economy Factory Ratios Increased Power
