Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 33/11.5-15 | 275/75-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.93 (836.52) | 31.24 (793.5) | -1.69 (-43.02) -5.1% |
| Width inches (mm) | 11.5 (292) | 10.83 (275) | -0.67 (-17) -5.8% |
| Circum. inches (mm) | 103.46 (2628.01) | 98.14 (2492.85) | -5.32 (-135.15) -5.1% |
| Sidewall Height inches (mm) | 8.97 (227.76) | 8.12 (206.25) | -0.85 (-21.51) -9.4% |
| Revolutions per mile (km) | 612.38 (380.52) | 645.58 (401.15) | 33.2 (20.63) 5.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.97 mph (30.53 km/h) |
| 25 mph (40.23 km/h) | 23.71 mph (38.16 km/h) |
| 30 mph (48.28 km/h) | 28.46 mph (45.8 km/h) |
| 35 mph (56.33 km/h) | 33.2 mph (53.43 km/h) |
| 40 mph (64.37 km/h) | 37.94 mph (61.06 km/h) |
| 45 mph (72.42 km/h) | 42.69 mph (68.7 km/h) |
| 50 mph (80.47 km/h) | 47.43 mph (76.33 km/h) |
| 55 mph (88.51 km/h) | 52.17 mph (83.96 km/h) |
| 60 mph (96.56 km/h) | 56.91 mph (91.59 km/h) |
| 65 mph (104.61 km/h) | 61.66 mph (99.23 km/h) |
| 70 mph (112.65 km/h) | 66.4 mph (106.86 km/h) |
| 75 mph (120.7 km/h) | 71.14 mph (114.49 km/h) |
| 80 mph (128.75 km/h) | 75.89 mph (122.13 km/h) |
| 85 mph (136.79 km/h) | 80.63 mph (129.76 km/h) |
| 90 mph (144.84 km/h) | 85.37 mph (137.39 km/h) |
| 95 mph (152.89 km/h) | 90.11 mph (145.03 km/h) |
| 100 mph (160.93 km/h) | 94.86 mph (152.66 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1643 | 1909 | 2055 | 2146 | 2244 | 2314 | 2391 | 2482 | 2608 | 2733 | 2873 | 2985 | 3188 | 3412 | 3586 | 3698 | 3761 | 3992 | 4313 | 5013 |
Better Fuel Economy Factory Ratios Increased Power
