Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 33/11.5-15 | 275/85-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.93 (836.52) | 34.41 (873.9) | 1.47 (37.38) 4.5% |
| Width inches (mm) | 11.5 (292) | 10.83 (275) | -0.67 (-17) -5.8% |
| Circum. inches (mm) | 103.46 (2628.01) | 108.09 (2745.44) | 4.62 (117.43) 4.5% |
| Sidewall Height inches (mm) | 8.97 (227.76) | 9.2 (233.75) | 0.24 (5.99) 2.6% |
| Revolutions per mile (km) | 612.38 (380.52) | 586.19 (364.24) | -26.19 (-16.28) -4.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.89 mph (33.63 km/h) |
| 25 mph (40.23 km/h) | 26.12 mph (42.03 km/h) |
| 30 mph (48.28 km/h) | 31.34 mph (50.44 km/h) |
| 35 mph (56.33 km/h) | 36.56 mph (58.84 km/h) |
| 40 mph (64.37 km/h) | 41.79 mph (67.25 km/h) |
| 45 mph (72.42 km/h) | 47.01 mph (75.66 km/h) |
| 50 mph (80.47 km/h) | 52.23 mph (84.06 km/h) |
| 55 mph (88.51 km/h) | 57.46 mph (92.47 km/h) |
| 60 mph (96.56 km/h) | 62.68 mph (100.88 km/h) |
| 65 mph (104.61 km/h) | 67.9 mph (109.28 km/h) |
| 70 mph (112.65 km/h) | 73.13 mph (117.69 km/h) |
| 75 mph (120.7 km/h) | 78.35 mph (126.09 km/h) |
| 80 mph (128.75 km/h) | 83.57 mph (134.5 km/h) |
| 85 mph (136.79 km/h) | 88.8 mph (142.91 km/h) |
| 90 mph (144.84 km/h) | 94.02 mph (151.31 km/h) |
| 95 mph (152.89 km/h) | 99.25 mph (159.72 km/h) |
| 100 mph (160.93 km/h) | 104.47 mph (168.13 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1492 | 1733 | 1866 | 1949 | 2038 | 2101 | 2171 | 2253 | 2368 | 2482 | 2609 | 2711 | 2895 | 3098 | 3256 | 3358 | 3415 | 3625 | 3917 | 4551 |
Better Fuel Economy Factory Ratios Increased Power
