Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 32/10-17 | 285/95-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32 (812.8) | 39.32 (998.7) | 7.32 (185.9) 22.9% |
| Width inches (mm) | 10 (254) | 11.22 (285) | 1.22 (31) 12.2% |
| Circum. inches (mm) | 100.53 (2553.49) | 123.52 (3137.51) | 22.99 (584.02) 22.9% |
| Sidewall Height inches (mm) | 7.5 (190.5) | 10.66 (270.75) | 3.16 (80.25) 42.1% |
| Revolutions per mile (km) | 630.25 (391.62) | 512.94 (318.72) | -117.32 (-72.9) -18.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 24.57 mph (39.55 km/h) |
| 25 mph (40.23 km/h) | 30.72 mph (49.44 km/h) |
| 30 mph (48.28 km/h) | 36.86 mph (59.32 km/h) |
| 35 mph (56.33 km/h) | 43.01 mph (69.21 km/h) |
| 40 mph (64.37 km/h) | 49.15 mph (79.1 km/h) |
| 45 mph (72.42 km/h) | 55.29 mph (88.98 km/h) |
| 50 mph (80.47 km/h) | 61.44 mph (98.87 km/h) |
| 55 mph (88.51 km/h) | 67.58 mph (108.76 km/h) |
| 60 mph (96.56 km/h) | 73.72 mph (118.65 km/h) |
| 65 mph (104.61 km/h) | 79.87 mph (128.53 km/h) |
| 70 mph (112.65 km/h) | 86.01 mph (138.42 km/h) |
| 75 mph (120.7 km/h) | 92.15 mph (148.31 km/h) |
| 80 mph (128.75 km/h) | 98.3 mph (158.19 km/h) |
| 85 mph (136.79 km/h) | 104.44 mph (168.08 km/h) |
| 90 mph (144.84 km/h) | 110.58 mph (177.97 km/h) |
| 95 mph (152.89 km/h) | 116.73 mph (187.86 km/h) |
| 100 mph (160.93 km/h) | 122.87 mph (197.74 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1305 | 1516 | 1633 | 1705 | 1783 | 1839 | 1900 | 1972 | 2072 | 2172 | 2283 | 2372 | 2533 | 2711 | 2850 | 2938 | 2988 | 3172 | 3427 | 3983 |
Better Fuel Economy Factory Ratios Increased Power
