Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 32/10-17 | 285/85-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32 (812.8) | 36.07 (916.3) | 4.07 (103.5) 12.7% |
| Width inches (mm) | 10 (254) | 11.22 (285) | 1.22 (31) 12.2% |
| Circum. inches (mm) | 100.53 (2553.49) | 113.33 (2878.64) | 12.8 (325.15) 12.7% |
| Sidewall Height inches (mm) | 7.5 (190.5) | 9.54 (242.25) | 2.04 (51.75) 27.2% |
| Revolutions per mile (km) | 630.25 (391.62) | 559.06 (347.39) | -71.19 (-44.24) -11.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.55 mph (36.29 km/h) |
| 25 mph (40.23 km/h) | 28.18 mph (45.36 km/h) |
| 30 mph (48.28 km/h) | 33.82 mph (54.43 km/h) |
| 35 mph (56.33 km/h) | 39.46 mph (63.5 km/h) |
| 40 mph (64.37 km/h) | 45.09 mph (72.57 km/h) |
| 45 mph (72.42 km/h) | 50.73 mph (81.64 km/h) |
| 50 mph (80.47 km/h) | 56.37 mph (90.71 km/h) |
| 55 mph (88.51 km/h) | 62 mph (99.79 km/h) |
| 60 mph (96.56 km/h) | 67.64 mph (108.86 km/h) |
| 65 mph (104.61 km/h) | 73.28 mph (117.93 km/h) |
| 70 mph (112.65 km/h) | 78.91 mph (127 km/h) |
| 75 mph (120.7 km/h) | 84.55 mph (136.07 km/h) |
| 80 mph (128.75 km/h) | 90.19 mph (145.14 km/h) |
| 85 mph (136.79 km/h) | 95.82 mph (154.21 km/h) |
| 90 mph (144.84 km/h) | 101.46 mph (163.28 km/h) |
| 95 mph (152.89 km/h) | 107.1 mph (172.36 km/h) |
| 100 mph (160.93 km/h) | 112.73 mph (181.43 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1423 | 1653 | 1780 | 1859 | 1943 | 2004 | 2070 | 2149 | 2258 | 2367 | 2488 | 2585 | 2761 | 2954 | 3106 | 3203 | 3257 | 3457 | 3735 | 4341 |
Better Fuel Economy Factory Ratios Increased Power
