Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 33/11.5-15 | 270/60-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.93 (836.52) | 27.76 (705) | -5.18 (-131.52) -15.7% |
| Width inches (mm) | 11.5 (292) | 10.63 (270) | -0.87 (-22) -7.5% |
| Circum. inches (mm) | 103.46 (2628.01) | 87.2 (2214.82) | -16.27 (-413.18) -15.7% |
| Sidewall Height inches (mm) | 8.97 (227.76) | 6.38 (162) | -2.59 (-65.76) -28.9% |
| Revolutions per mile (km) | 612.38 (380.52) | 726.62 (451.5) | 114.24 (70.99) 18.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 16.86 mph (27.13 km/h) |
| 25 mph (40.23 km/h) | 21.07 mph (33.91 km/h) |
| 30 mph (48.28 km/h) | 25.28 mph (40.69 km/h) |
| 35 mph (56.33 km/h) | 29.5 mph (47.47 km/h) |
| 40 mph (64.37 km/h) | 33.71 mph (54.25 km/h) |
| 45 mph (72.42 km/h) | 37.92 mph (61.03 km/h) |
| 50 mph (80.47 km/h) | 42.14 mph (67.82 km/h) |
| 55 mph (88.51 km/h) | 46.35 mph (74.6 km/h) |
| 60 mph (96.56 km/h) | 50.57 mph (81.38 km/h) |
| 65 mph (104.61 km/h) | 54.78 mph (88.16 km/h) |
| 70 mph (112.65 km/h) | 58.99 mph (94.94 km/h) |
| 75 mph (120.7 km/h) | 63.21 mph (101.72 km/h) |
| 80 mph (128.75 km/h) | 67.42 mph (108.51 km/h) |
| 85 mph (136.79 km/h) | 71.64 mph (115.29 km/h) |
| 90 mph (144.84 km/h) | 75.85 mph (122.07 km/h) |
| 95 mph (152.89 km/h) | 80.06 mph (128.85 km/h) |
| 100 mph (160.93 km/h) | 84.28 mph (135.63 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1849 | 2148 | 2313 | 2416 | 2526 | 2605 | 2691 | 2793 | 2935 | 3077 | 3234 | 3360 | 3588 | 3840 | 4037 | 4162 | 4233 | 4493 | 4855 | 5642 |
Better Fuel Economy Factory Ratios Increased Power
