Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 33/11.5-15 | 300/90-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.93 (836.52) | 36.26 (921) | 3.33 (84.48) 10.1% |
| Width inches (mm) | 11.5 (292) | 11.81 (300) | 0.31 (8) 2.7% |
| Circum. inches (mm) | 103.46 (2628.01) | 113.91 (2893.41) | 10.45 (265.4) 10.1% |
| Sidewall Height inches (mm) | 8.97 (227.76) | 10.63 (270) | 1.66 (42.24) 18.5% |
| Revolutions per mile (km) | 612.38 (380.52) | 556.21 (345.61) | -56.17 (-34.9) -9.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.02 mph (35.44 km/h) |
| 25 mph (40.23 km/h) | 27.52 mph (44.3 km/h) |
| 30 mph (48.28 km/h) | 33.03 mph (53.16 km/h) |
| 35 mph (56.33 km/h) | 38.53 mph (62.02 km/h) |
| 40 mph (64.37 km/h) | 44.04 mph (70.87 km/h) |
| 45 mph (72.42 km/h) | 49.54 mph (79.73 km/h) |
| 50 mph (80.47 km/h) | 55.05 mph (88.59 km/h) |
| 55 mph (88.51 km/h) | 60.55 mph (97.45 km/h) |
| 60 mph (96.56 km/h) | 66.06 mph (106.31 km/h) |
| 65 mph (104.61 km/h) | 71.56 mph (115.17 km/h) |
| 70 mph (112.65 km/h) | 77.07 mph (124.03 km/h) |
| 75 mph (120.7 km/h) | 82.57 mph (132.89 km/h) |
| 80 mph (128.75 km/h) | 88.08 mph (141.75 km/h) |
| 85 mph (136.79 km/h) | 93.58 mph (150.61 km/h) |
| 90 mph (144.84 km/h) | 99.09 mph (159.47 km/h) |
| 95 mph (152.89 km/h) | 104.59 mph (168.33 km/h) |
| 100 mph (160.93 km/h) | 110.1 mph (177.19 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1415 | 1644 | 1771 | 1849 | 1933 | 1994 | 2060 | 2138 | 2247 | 2355 | 2476 | 2572 | 2747 | 2939 | 3090 | 3186 | 3240 | 3439 | 3716 | 4319 |
Better Fuel Economy Factory Ratios Increased Power
