Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 33/11.5-15 | 290/75-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.93 (836.52) | 32.13 (816) | -0.81 (-20.52) -2.5% |
| Width inches (mm) | 11.5 (292) | 11.42 (290) | -0.08 (-2) -0.7% |
| Circum. inches (mm) | 103.46 (2628.01) | 100.93 (2563.54) | -2.54 (-64.47) -2.5% |
| Sidewall Height inches (mm) | 8.97 (227.76) | 8.56 (217.5) | -0.4 (-10.26) -4.5% |
| Revolutions per mile (km) | 612.38 (380.52) | 627.78 (390.08) | 15.4 (9.57) 2.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.51 mph (31.4 km/h) |
| 25 mph (40.23 km/h) | 24.39 mph (39.25 km/h) |
| 30 mph (48.28 km/h) | 29.26 mph (47.1 km/h) |
| 35 mph (56.33 km/h) | 34.14 mph (54.95 km/h) |
| 40 mph (64.37 km/h) | 39.02 mph (62.79 km/h) |
| 45 mph (72.42 km/h) | 43.9 mph (70.64 km/h) |
| 50 mph (80.47 km/h) | 48.77 mph (78.49 km/h) |
| 55 mph (88.51 km/h) | 53.65 mph (86.34 km/h) |
| 60 mph (96.56 km/h) | 58.53 mph (94.19 km/h) |
| 65 mph (104.61 km/h) | 63.41 mph (102.04 km/h) |
| 70 mph (112.65 km/h) | 68.28 mph (109.89 km/h) |
| 75 mph (120.7 km/h) | 73.16 mph (117.74 km/h) |
| 80 mph (128.75 km/h) | 78.04 mph (125.59 km/h) |
| 85 mph (136.79 km/h) | 82.91 mph (133.44 km/h) |
| 90 mph (144.84 km/h) | 87.79 mph (141.29 km/h) |
| 95 mph (152.89 km/h) | 92.67 mph (149.14 km/h) |
| 100 mph (160.93 km/h) | 97.55 mph (156.99 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1598 | 1856 | 1999 | 2087 | 2182 | 2250 | 2325 | 2413 | 2536 | 2658 | 2794 | 2903 | 3100 | 3318 | 3487 | 3596 | 3657 | 3882 | 4195 | 4874 |
Better Fuel Economy Factory Ratios Increased Power
