Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 33/12.5-16.5 | 285/70-16.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 33.03 (838.86) | 32.21 (818.1) | -0.82 (-20.76) -2.5% |
| Width inches (mm) | 12.52 (318) | 11.22 (285) | -1.3 (-33) -10.4% |
| Circum. inches (mm) | 103.75 (2635.36) | 101.19 (2570.14) | -2.57 (-65.22) -2.5% |
| Sidewall Height inches (mm) | 8.26 (209.88) | 7.85 (199.5) | -0.41 (-10.38) -4.9% |
| Revolutions per mile (km) | 610.67 (379.45) | 626.17 (389.08) | 15.5 (9.63) 2.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.51 mph (31.39 km/h) |
| 25 mph (40.23 km/h) | 24.38 mph (39.24 km/h) |
| 30 mph (48.28 km/h) | 29.26 mph (47.09 km/h) |
| 35 mph (56.33 km/h) | 34.13 mph (54.93 km/h) |
| 40 mph (64.37 km/h) | 39.01 mph (62.78 km/h) |
| 45 mph (72.42 km/h) | 43.89 mph (70.63 km/h) |
| 50 mph (80.47 km/h) | 48.76 mph (78.48 km/h) |
| 55 mph (88.51 km/h) | 53.64 mph (86.32 km/h) |
| 60 mph (96.56 km/h) | 58.52 mph (94.17 km/h) |
| 65 mph (104.61 km/h) | 63.39 mph (102.02 km/h) |
| 70 mph (112.65 km/h) | 68.27 mph (109.87 km/h) |
| 75 mph (120.7 km/h) | 73.14 mph (117.71 km/h) |
| 80 mph (128.75 km/h) | 78.02 mph (125.56 km/h) |
| 85 mph (136.79 km/h) | 82.9 mph (133.41 km/h) |
| 90 mph (144.84 km/h) | 87.77 mph (141.26 km/h) |
| 95 mph (152.89 km/h) | 92.65 mph (149.1 km/h) |
| 100 mph (160.93 km/h) | 97.53 mph (156.95 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1593 | 1851 | 1994 | 2082 | 2177 | 2244 | 2319 | 2407 | 2529 | 2651 | 2787 | 2895 | 3092 | 3309 | 3479 | 3587 | 3648 | 3872 | 4184 | 4862 |
Better Fuel Economy Factory Ratios Increased Power
