Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 33/11.5-15 | 275/70-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.93 (836.52) | 30.16 (766) | -2.78 (-70.52) -8.4% |
| Width inches (mm) | 11.5 (292) | 10.83 (275) | -0.67 (-17) -5.8% |
| Circum. inches (mm) | 103.46 (2628.01) | 94.74 (2406.46) | -8.72 (-221.55) -8.4% |
| Sidewall Height inches (mm) | 8.97 (227.76) | 7.58 (192.5) | -1.39 (-35.26) -15.5% |
| Revolutions per mile (km) | 612.38 (380.52) | 668.76 (415.55) | 56.38 (35.03) 9.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.31 mph (29.47 km/h) |
| 25 mph (40.23 km/h) | 22.89 mph (36.84 km/h) |
| 30 mph (48.28 km/h) | 27.47 mph (44.21 km/h) |
| 35 mph (56.33 km/h) | 32.05 mph (51.58 km/h) |
| 40 mph (64.37 km/h) | 36.63 mph (58.95 km/h) |
| 45 mph (72.42 km/h) | 41.21 mph (66.32 km/h) |
| 50 mph (80.47 km/h) | 45.78 mph (73.68 km/h) |
| 55 mph (88.51 km/h) | 50.36 mph (81.05 km/h) |
| 60 mph (96.56 km/h) | 54.94 mph (88.42 km/h) |
| 65 mph (104.61 km/h) | 59.52 mph (95.79 km/h) |
| 70 mph (112.65 km/h) | 64.1 mph (103.16 km/h) |
| 75 mph (120.7 km/h) | 68.68 mph (110.53 km/h) |
| 80 mph (128.75 km/h) | 73.26 mph (117.89 km/h) |
| 85 mph (136.79 km/h) | 77.83 mph (125.26 km/h) |
| 90 mph (144.84 km/h) | 82.41 mph (132.63 km/h) |
| 95 mph (152.89 km/h) | 86.99 mph (140 km/h) |
| 100 mph (160.93 km/h) | 91.57 mph (147.37 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1702 | 1977 | 2129 | 2223 | 2325 | 2397 | 2477 | 2571 | 2701 | 2832 | 2976 | 3092 | 3302 | 3534 | 3715 | 3831 | 3896 | 4135 | 4468 | 5193 |
Better Fuel Economy Factory Ratios Increased Power
