Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 100/85-19 | 285/85-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.69 (652.6) | 38.07 (967.1) | 12.38 (314.5) 48.2% |
| Width inches (mm) | 3.94 (100) | 11.22 (285) | 7.28 (185) 185% |
| Circum. inches (mm) | 80.72 (2050.2) | 119.62 (3038.23) | 38.9 (988.03) 48.2% |
| Sidewall Height inches (mm) | 3.35 (85) | 9.54 (242.25) | 6.19 (157.25) 185% |
| Revolutions per mile (km) | 784.97 (487.76) | 529.7 (329.14) | -255.27 (-158.62) -32.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 29.64 mph (47.7 km/h) |
| 25 mph (40.23 km/h) | 37.05 mph (59.62 km/h) |
| 30 mph (48.28 km/h) | 44.46 mph (71.55 km/h) |
| 35 mph (56.33 km/h) | 51.87 mph (83.47 km/h) |
| 40 mph (64.37 km/h) | 59.28 mph (95.4 km/h) |
| 45 mph (72.42 km/h) | 66.69 mph (107.32 km/h) |
| 50 mph (80.47 km/h) | 74.1 mph (119.25 km/h) |
| 55 mph (88.51 km/h) | 81.51 mph (131.17 km/h) |
| 60 mph (96.56 km/h) | 88.92 mph (143.1 km/h) |
| 65 mph (104.61 km/h) | 96.32 mph (155.02 km/h) |
| 70 mph (112.65 km/h) | 103.73 mph (166.94 km/h) |
| 75 mph (120.7 km/h) | 111.14 mph (178.87 km/h) |
| 80 mph (128.75 km/h) | 118.55 mph (190.79 km/h) |
| 85 mph (136.79 km/h) | 125.96 mph (202.72 km/h) |
| 90 mph (144.84 km/h) | 133.37 mph (214.64 km/h) |
| 95 mph (152.89 km/h) | 140.78 mph (226.57 km/h) |
| 100 mph (160.93 km/h) | 148.19 mph (238.49 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 | 1899 | 1962 | 2036 | 2140 | 2243 | 2358 | 2449 | 2616 | 2799 | 2943 | 3034 | 3086 | 3275 | 3539 | 4113 |
Better Fuel Economy Factory Ratios Increased Power
