Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 36/12.5-16.5 | 285/80-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 36.03 (915.18) | 37.95 (964) | 1.92 (48.82) 5.3% |
| Width inches (mm) | 12.52 (318) | 11.22 (285) | -1.3 (-33) -10.4% |
| Circum. inches (mm) | 113.19 (2875.12) | 119.23 (3028.5) | 6.04 (153.37) 5.3% |
| Sidewall Height inches (mm) | 9.77 (248.04) | 8.98 (228) | -0.79 (-20.04) -8.1% |
| Revolutions per mile (km) | 559.75 (347.81) | 531.4 (330.2) | -28.35 (-17.61) -5.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.07 mph (33.9 km/h) |
| 25 mph (40.23 km/h) | 26.33 mph (42.38 km/h) |
| 30 mph (48.28 km/h) | 31.6 mph (50.86 km/h) |
| 35 mph (56.33 km/h) | 36.87 mph (59.33 km/h) |
| 40 mph (64.37 km/h) | 42.13 mph (67.81 km/h) |
| 45 mph (72.42 km/h) | 47.4 mph (76.28 km/h) |
| 50 mph (80.47 km/h) | 52.67 mph (84.76 km/h) |
| 55 mph (88.51 km/h) | 57.93 mph (93.24 km/h) |
| 60 mph (96.56 km/h) | 63.2 mph (101.71 km/h) |
| 65 mph (104.61 km/h) | 68.47 mph (110.19 km/h) |
| 70 mph (112.65 km/h) | 73.73 mph (118.66 km/h) |
| 75 mph (120.7 km/h) | 79 mph (127.14 km/h) |
| 80 mph (128.75 km/h) | 84.27 mph (135.62 km/h) |
| 85 mph (136.79 km/h) | 89.53 mph (144.09 km/h) |
| 90 mph (144.84 km/h) | 94.8 mph (152.57 km/h) |
| 95 mph (152.89 km/h) | 100.07 mph (161.04 km/h) |
| 100 mph (160.93 km/h) | 105.33 mph (169.52 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1352 | 1571 | 1692 | 1767 | 1847 | 1905 | 1968 | 2043 | 2146 | 2250 | 2365 | 2457 | 2624 | 2808 | 2952 | 3044 | 3096 | 3286 | 3551 | 4126 |
Better Fuel Economy Factory Ratios Increased Power
