Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/75-16.5 | 255/100-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.97 (786.6) | 38.08 (967.2) | 7.11 (180.6) 23% |
| Width inches (mm) | 9.65 (245) | 10.04 (255) | 0.39 (10) 4.1% |
| Circum. inches (mm) | 97.29 (2471.18) | 119.63 (3038.55) | 22.34 (567.37) 23% |
| Sidewall Height inches (mm) | 7.23 (183.75) | 10.04 (255) | 2.81 (71.25) 38.8% |
| Revolutions per mile (km) | 651.25 (404.66) | 529.64 (329.1) | -121.6 (-75.56) -18.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 24.59 mph (39.58 km/h) |
| 25 mph (40.23 km/h) | 30.74 mph (49.47 km/h) |
| 30 mph (48.28 km/h) | 36.89 mph (59.37 km/h) |
| 35 mph (56.33 km/h) | 43.04 mph (69.26 km/h) |
| 40 mph (64.37 km/h) | 49.18 mph (79.15 km/h) |
| 45 mph (72.42 km/h) | 55.33 mph (89.05 km/h) |
| 50 mph (80.47 km/h) | 61.48 mph (98.94 km/h) |
| 55 mph (88.51 km/h) | 67.63 mph (108.84 km/h) |
| 60 mph (96.56 km/h) | 73.78 mph (118.73 km/h) |
| 65 mph (104.61 km/h) | 79.92 mph (128.63 km/h) |
| 70 mph (112.65 km/h) | 86.07 mph (138.52 km/h) |
| 75 mph (120.7 km/h) | 92.22 mph (148.41 km/h) |
| 80 mph (128.75 km/h) | 98.37 mph (158.31 km/h) |
| 85 mph (136.79 km/h) | 104.52 mph (168.2 km/h) |
| 90 mph (144.84 km/h) | 110.66 mph (178.1 km/h) |
| 95 mph (152.89 km/h) | 116.81 mph (187.99 km/h) |
| 100 mph (160.93 km/h) | 122.96 mph (197.88 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1348 | 1566 | 1686 | 1761 | 1841 | 1898 | 1962 | 2036 | 2139 | 2243 | 2357 | 2449 | 2615 | 2799 | 2942 | 3034 | 3086 | 3275 | 3539 | 4112 |
Better Fuel Economy Factory Ratios Increased Power
