Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/80-17 | 355/80-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.5 (647.8) | 39.36 (999.8) | 13.86 (352) 54.3% |
| Width inches (mm) | 5.31 (135) | 13.98 (355) | 8.66 (220) 163% |
| Circum. inches (mm) | 80.12 (2035.12) | 123.66 (3140.96) | 43.54 (1105.84) 54.3% |
| Sidewall Height inches (mm) | 4.25 (108) | 11.18 (284) | 6.93 (176) 163% |
| Revolutions per mile (km) | 790.78 (491.37) | 512.37 (318.37) | -278.41 (-173) -35.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 30.87 mph (49.68 km/h) |
| 25 mph (40.23 km/h) | 38.58 mph (62.1 km/h) |
| 30 mph (48.28 km/h) | 46.3 mph (74.51 km/h) |
| 35 mph (56.33 km/h) | 54.02 mph (86.93 km/h) |
| 40 mph (64.37 km/h) | 61.74 mph (99.35 km/h) |
| 45 mph (72.42 km/h) | 69.45 mph (111.77 km/h) |
| 50 mph (80.47 km/h) | 77.17 mph (124.19 km/h) |
| 55 mph (88.51 km/h) | 84.89 mph (136.61 km/h) |
| 60 mph (96.56 km/h) | 92.6 mph (149.03 km/h) |
| 65 mph (104.61 km/h) | 100.32 mph (161.45 km/h) |
| 70 mph (112.65 km/h) | 108.04 mph (173.87 km/h) |
| 75 mph (120.7 km/h) | 115.75 mph (186.29 km/h) |
| 80 mph (128.75 km/h) | 123.47 mph (198.71 km/h) |
| 85 mph (136.79 km/h) | 131.19 mph (211.13 km/h) |
| 90 mph (144.84 km/h) | 138.9 mph (223.54 km/h) |
| 95 mph (152.89 km/h) | 146.62 mph (235.96 km/h) |
| 100 mph (160.93 km/h) | 154.34 mph (248.38 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1304 | 1515 | 1631 | 1703 | 1781 | 1837 | 1898 | 1970 | 2070 | 2169 | 2280 | 2369 | 2530 | 2708 | 2846 | 2935 | 2985 | 3168 | 3423 | 3978 |
Better Fuel Economy Factory Ratios Increased Power
