Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 33/12.5-17 | 285/75-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 33.03 (838.84) | 33.83 (859.3) | 0.81 (20.46) 2.4% |
| Width inches (mm) | 12.52 (318) | 11.22 (285) | -1.3 (-33) -10.4% |
| Circum. inches (mm) | 103.75 (2635.29) | 106.28 (2699.57) | 2.53 (64.28) 2.4% |
| Sidewall Height inches (mm) | 8.01 (203.52) | 8.42 (213.75) | 0.4 (10.23) 5% |
| Revolutions per mile (km) | 610.69 (379.46) | 596.15 (370.43) | -14.54 (-9.04) -2.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.49 mph (32.97 km/h) |
| 25 mph (40.23 km/h) | 25.61 mph (41.22 km/h) |
| 30 mph (48.28 km/h) | 30.73 mph (49.46 km/h) |
| 35 mph (56.33 km/h) | 35.85 mph (57.7 km/h) |
| 40 mph (64.37 km/h) | 40.98 mph (65.94 km/h) |
| 45 mph (72.42 km/h) | 46.1 mph (74.19 km/h) |
| 50 mph (80.47 km/h) | 51.22 mph (82.43 km/h) |
| 55 mph (88.51 km/h) | 56.34 mph (90.67 km/h) |
| 60 mph (96.56 km/h) | 61.46 mph (98.92 km/h) |
| 65 mph (104.61 km/h) | 66.59 mph (107.16 km/h) |
| 70 mph (112.65 km/h) | 71.71 mph (115.4 km/h) |
| 75 mph (120.7 km/h) | 76.83 mph (123.65 km/h) |
| 80 mph (128.75 km/h) | 81.95 mph (131.89 km/h) |
| 85 mph (136.79 km/h) | 87.07 mph (140.13 km/h) |
| 90 mph (144.84 km/h) | 92.2 mph (148.37 km/h) |
| 95 mph (152.89 km/h) | 97.32 mph (156.62 km/h) |
| 100 mph (160.93 km/h) | 102.44 mph (164.86 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1517 | 1762 | 1898 | 1982 | 2072 | 2137 | 2208 | 2292 | 2408 | 2524 | 2653 | 2757 | 2944 | 3150 | 3312 | 3415 | 3473 | 3686 | 3983 | 4629 |
Better Fuel Economy Factory Ratios Increased Power
