Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 33/11.5-15 | 285/80-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.93 (836.52) | 33.95 (862.4) | 1.02 (25.88) 3.1% |
| Width inches (mm) | 11.5 (292) | 11.22 (285) | -0.28 (-7) -2.4% |
| Circum. inches (mm) | 103.46 (2628.01) | 106.67 (2709.31) | 3.2 (81.3) 3.1% |
| Sidewall Height inches (mm) | 8.97 (227.76) | 8.98 (228) | 0.01 (0.24) 0.1% |
| Revolutions per mile (km) | 612.38 (380.52) | 594.01 (369.1) | -18.38 (-11.42) -3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.62 mph (33.18 km/h) |
| 25 mph (40.23 km/h) | 25.77 mph (41.48 km/h) |
| 30 mph (48.28 km/h) | 30.93 mph (49.77 km/h) |
| 35 mph (56.33 km/h) | 36.08 mph (58.07 km/h) |
| 40 mph (64.37 km/h) | 41.24 mph (66.37 km/h) |
| 45 mph (72.42 km/h) | 46.39 mph (74.66 km/h) |
| 50 mph (80.47 km/h) | 51.55 mph (82.96 km/h) |
| 55 mph (88.51 km/h) | 56.7 mph (91.25 km/h) |
| 60 mph (96.56 km/h) | 61.86 mph (99.55 km/h) |
| 65 mph (104.61 km/h) | 67.01 mph (107.84 km/h) |
| 70 mph (112.65 km/h) | 72.17 mph (116.14 km/h) |
| 75 mph (120.7 km/h) | 77.32 mph (124.44 km/h) |
| 80 mph (128.75 km/h) | 82.48 mph (132.73 km/h) |
| 85 mph (136.79 km/h) | 87.63 mph (141.03 km/h) |
| 90 mph (144.84 km/h) | 92.78 mph (149.32 km/h) |
| 95 mph (152.89 km/h) | 97.94 mph (157.62 km/h) |
| 100 mph (160.93 km/h) | 103.09 mph (165.91 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1512 | 1756 | 1891 | 1975 | 2065 | 2129 | 2200 | 2284 | 2399 | 2515 | 2644 | 2747 | 2933 | 3139 | 3300 | 3403 | 3461 | 3673 | 3969 | 4612 |
Better Fuel Economy Factory Ratios Increased Power
