Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/75-16.5 | 285/85-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.97 (786.6) | 35.07 (890.9) | 4.11 (104.3) 13.3% |
| Width inches (mm) | 9.65 (245) | 11.22 (285) | 1.57 (40) 16.3% |
| Circum. inches (mm) | 97.29 (2471.18) | 110.19 (2798.84) | 12.9 (327.67) 13.3% |
| Sidewall Height inches (mm) | 7.23 (183.75) | 9.54 (242.25) | 2.3 (58.5) 31.8% |
| Revolutions per mile (km) | 651.25 (404.66) | 575 (357.29) | -76.24 (-47.38) -11.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.65 mph (36.45 km/h) |
| 25 mph (40.23 km/h) | 28.31 mph (45.57 km/h) |
| 30 mph (48.28 km/h) | 33.98 mph (54.68 km/h) |
| 35 mph (56.33 km/h) | 39.64 mph (63.8 km/h) |
| 40 mph (64.37 km/h) | 45.3 mph (72.91 km/h) |
| 45 mph (72.42 km/h) | 50.97 mph (82.02 km/h) |
| 50 mph (80.47 km/h) | 56.63 mph (91.14 km/h) |
| 55 mph (88.51 km/h) | 62.29 mph (100.25 km/h) |
| 60 mph (96.56 km/h) | 67.96 mph (109.36 km/h) |
| 65 mph (104.61 km/h) | 73.62 mph (118.48 km/h) |
| 70 mph (112.65 km/h) | 79.28 mph (127.59 km/h) |
| 75 mph (120.7 km/h) | 84.94 mph (136.71 km/h) |
| 80 mph (128.75 km/h) | 90.61 mph (145.82 km/h) |
| 85 mph (136.79 km/h) | 96.27 mph (154.93 km/h) |
| 90 mph (144.84 km/h) | 101.93 mph (164.05 km/h) |
| 95 mph (152.89 km/h) | 107.6 mph (173.16 km/h) |
| 100 mph (160.93 km/h) | 113.26 mph (182.27 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1463 | 1700 | 1831 | 1912 | 1999 | 2061 | 2130 | 2210 | 2323 | 2435 | 2559 | 2659 | 2839 | 3039 | 3194 | 3294 | 3350 | 3555 | 3842 | 4465 |
Better Fuel Economy Factory Ratios Increased Power
