Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 33/12-16 | 285/85-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 33.05 (839.5) | 35.07 (890.9) | 2.02 (51.4) 6.1% |
| Width inches (mm) | 12.01 (305) | 11.22 (285) | -0.79 (-20) -6.6% |
| Circum. inches (mm) | 103.83 (2637.37) | 110.19 (2798.84) | 6.36 (161.48) 6.1% |
| Sidewall Height inches (mm) | 8.53 (216.55) | 9.54 (242.25) | 1.01 (25.7) 11.9% |
| Revolutions per mile (km) | 610.21 (379.17) | 575 (357.29) | -35.21 (-21.88) -5.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.22 mph (34.16 km/h) |
| 25 mph (40.23 km/h) | 26.53 mph (42.7 km/h) |
| 30 mph (48.28 km/h) | 31.84 mph (51.24 km/h) |
| 35 mph (56.33 km/h) | 37.14 mph (59.78 km/h) |
| 40 mph (64.37 km/h) | 42.45 mph (68.32 km/h) |
| 45 mph (72.42 km/h) | 47.76 mph (76.85 km/h) |
| 50 mph (80.47 km/h) | 53.06 mph (85.39 km/h) |
| 55 mph (88.51 km/h) | 58.37 mph (93.93 km/h) |
| 60 mph (96.56 km/h) | 63.67 mph (102.47 km/h) |
| 65 mph (104.61 km/h) | 68.98 mph (111.01 km/h) |
| 70 mph (112.65 km/h) | 74.29 mph (119.55 km/h) |
| 75 mph (120.7 km/h) | 79.59 mph (128.09 km/h) |
| 80 mph (128.75 km/h) | 84.9 mph (136.63 km/h) |
| 85 mph (136.79 km/h) | 90.2 mph (145.17 km/h) |
| 90 mph (144.84 km/h) | 95.51 mph (153.71 km/h) |
| 95 mph (152.89 km/h) | 100.82 mph (162.25 km/h) |
| 100 mph (160.93 km/h) | 106.12 mph (170.79 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
