Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/70-18 | 395/70-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.44 (646.2) | 37.77 (959.4) | 12.33 (313.2) 48.5% |
| Width inches (mm) | 5.31 (135) | 15.55 (395) | 10.24 (260) 192.6% |
| Circum. inches (mm) | 79.93 (2030.1) | 118.66 (3014.04) | 38.74 (983.95) 48.5% |
| Sidewall Height inches (mm) | 3.72 (94.5) | 10.89 (276.5) | 7.17 (182) 192.6% |
| Revolutions per mile (km) | 792.74 (492.59) | 533.95 (331.78) | -258.79 (-160.81) -32.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 29.69 mph (47.79 km/h) |
| 25 mph (40.23 km/h) | 37.12 mph (59.73 km/h) |
| 30 mph (48.28 km/h) | 44.54 mph (71.68 km/h) |
| 35 mph (56.33 km/h) | 51.96 mph (83.63 km/h) |
| 40 mph (64.37 km/h) | 59.39 mph (95.57 km/h) |
| 45 mph (72.42 km/h) | 66.81 mph (107.52 km/h) |
| 50 mph (80.47 km/h) | 74.23 mph (119.47 km/h) |
| 55 mph (88.51 km/h) | 81.66 mph (131.42 km/h) |
| 60 mph (96.56 km/h) | 89.08 mph (143.36 km/h) |
| 65 mph (104.61 km/h) | 96.5 mph (155.31 km/h) |
| 70 mph (112.65 km/h) | 103.93 mph (167.26 km/h) |
| 75 mph (120.7 km/h) | 111.35 mph (179.2 km/h) |
| 80 mph (128.75 km/h) | 118.77 mph (191.15 km/h) |
| 85 mph (136.79 km/h) | 126.2 mph (203.1 km/h) |
| 90 mph (144.84 km/h) | 133.62 mph (215.04 km/h) |
| 95 mph (152.89 km/h) | 141.04 mph (226.99 km/h) |
| 100 mph (160.93 km/h) | 148.47 mph (238.94 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1359 | 1579 | 1700 | 1775 | 1856 | 1914 | 1977 | 2053 | 2157 | 2261 | 2376 | 2469 | 2637 | 2822 | 2966 | 3059 | 3111 | 3302 | 3568 | 4146 |
Better Fuel Economy Factory Ratios Increased Power
