Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 33/11.5-15 | 270/75-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.93 (836.52) | 30.94 (786) | -1.99 (-50.52) -6% |
| Width inches (mm) | 11.5 (292) | 10.63 (270) | -0.87 (-22) -7.5% |
| Circum. inches (mm) | 103.46 (2628.01) | 97.22 (2469.29) | -6.25 (-158.71) -6% |
| Sidewall Height inches (mm) | 8.97 (227.76) | 7.97 (202.5) | -0.99 (-25.26) -11.1% |
| Revolutions per mile (km) | 612.38 (380.52) | 651.74 (404.97) | 39.36 (24.46) 6.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.79 mph (30.24 km/h) |
| 25 mph (40.23 km/h) | 23.49 mph (37.8 km/h) |
| 30 mph (48.28 km/h) | 28.19 mph (45.36 km/h) |
| 35 mph (56.33 km/h) | 32.89 mph (52.93 km/h) |
| 40 mph (64.37 km/h) | 37.58 mph (60.49 km/h) |
| 45 mph (72.42 km/h) | 42.28 mph (68.05 km/h) |
| 50 mph (80.47 km/h) | 46.98 mph (75.61 km/h) |
| 55 mph (88.51 km/h) | 51.68 mph (83.17 km/h) |
| 60 mph (96.56 km/h) | 56.38 mph (90.73 km/h) |
| 65 mph (104.61 km/h) | 61.07 mph (98.29 km/h) |
| 70 mph (112.65 km/h) | 65.77 mph (105.85 km/h) |
| 75 mph (120.7 km/h) | 70.47 mph (113.41 km/h) |
| 80 mph (128.75 km/h) | 75.17 mph (120.97 km/h) |
| 85 mph (136.79 km/h) | 79.87 mph (128.53 km/h) |
| 90 mph (144.84 km/h) | 84.56 mph (136.09 km/h) |
| 95 mph (152.89 km/h) | 89.26 mph (143.65 km/h) |
| 100 mph (160.93 km/h) | 93.96 mph (151.22 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1659 | 1927 | 2075 | 2167 | 2266 | 2336 | 2414 | 2505 | 2633 | 2760 | 2901 | 3014 | 3218 | 3444 | 3621 | 3734 | 3797 | 4030 | 4355 | 5060 |
Better Fuel Economy Factory Ratios Increased Power
