Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/90-15 | 385/55-22 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.57 (624) | 38.67 (982.3) | 14.11 (358.3) 57.4% |
| Width inches (mm) | 5.31 (135) | 15.16 (385) | 9.84 (250) 185.2% |
| Circum. inches (mm) | 77.18 (1960.35) | 121.5 (3085.99) | 44.32 (1125.63) 57.4% |
| Sidewall Height inches (mm) | 4.78 (121.5) | 8.34 (211.75) | 3.55 (90.25) 74.3% |
| Revolutions per mile (km) | 820.95 (510.11) | 521.5 (324.04) | -299.45 (-186.07) -36.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 31.48 mph (50.67 km/h) |
| 25 mph (40.23 km/h) | 39.35 mph (63.34 km/h) |
| 30 mph (48.28 km/h) | 47.23 mph (76 km/h) |
| 35 mph (56.33 km/h) | 55.1 mph (88.67 km/h) |
| 40 mph (64.37 km/h) | 62.97 mph (101.34 km/h) |
| 45 mph (72.42 km/h) | 70.84 mph (114 km/h) |
| 50 mph (80.47 km/h) | 78.71 mph (126.67 km/h) |
| 55 mph (88.51 km/h) | 86.58 mph (139.34 km/h) |
| 60 mph (96.56 km/h) | 94.45 mph (152.01 km/h) |
| 65 mph (104.61 km/h) | 102.32 mph (164.67 km/h) |
| 70 mph (112.65 km/h) | 110.19 mph (177.34 km/h) |
| 75 mph (120.7 km/h) | 118.06 mph (190.01 km/h) |
| 80 mph (128.75 km/h) | 125.94 mph (202.67 km/h) |
| 85 mph (136.79 km/h) | 133.81 mph (215.34 km/h) |
| 90 mph (144.84 km/h) | 141.68 mph (228.01 km/h) |
| 95 mph (152.89 km/h) | 149.55 mph (240.68 km/h) |
| 100 mph (160.93 km/h) | 157.42 mph (253.34 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1327 | 1542 | 1660 | 1734 | 1813 | 1869 | 1931 | 2005 | 2106 | 2208 | 2321 | 2411 | 2575 | 2756 | 2897 | 2987 | 3038 | 3225 | 3484 | 4049 |
Better Fuel Economy Factory Ratios Increased Power
