Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/90-15 | 325/55-22 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.57 (624) | 36.07 (916.3) | 11.51 (292.3) 46.8% |
| Width inches (mm) | 5.31 (135) | 12.8 (325) | 7.48 (190) 140.7% |
| Circum. inches (mm) | 77.18 (1960.35) | 113.33 (2878.64) | 36.15 (918.29) 46.8% |
| Sidewall Height inches (mm) | 4.78 (121.5) | 7.04 (178.75) | 2.25 (57.25) 47.1% |
| Revolutions per mile (km) | 820.95 (510.11) | 559.06 (347.39) | -261.88 (-162.73) -31.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 29.37 mph (47.26 km/h) |
| 25 mph (40.23 km/h) | 36.71 mph (59.08 km/h) |
| 30 mph (48.28 km/h) | 44.05 mph (70.9 km/h) |
| 35 mph (56.33 km/h) | 51.4 mph (82.71 km/h) |
| 40 mph (64.37 km/h) | 58.74 mph (94.53 km/h) |
| 45 mph (72.42 km/h) | 66.08 mph (106.34 km/h) |
| 50 mph (80.47 km/h) | 73.42 mph (118.16 km/h) |
| 55 mph (88.51 km/h) | 80.76 mph (129.98 km/h) |
| 60 mph (96.56 km/h) | 88.11 mph (141.79 km/h) |
| 65 mph (104.61 km/h) | 95.45 mph (153.61 km/h) |
| 70 mph (112.65 km/h) | 102.79 mph (165.42 km/h) |
| 75 mph (120.7 km/h) | 110.13 mph (177.24 km/h) |
| 80 mph (128.75 km/h) | 117.47 mph (189.06 km/h) |
| 85 mph (136.79 km/h) | 124.82 mph (200.87 km/h) |
| 90 mph (144.84 km/h) | 132.16 mph (212.69 km/h) |
| 95 mph (152.89 km/h) | 139.5 mph (224.51 km/h) |
| 100 mph (160.93 km/h) | 146.84 mph (236.32 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1423 | 1653 | 1780 | 1859 | 1943 | 2004 | 2070 | 2149 | 2258 | 2367 | 2488 | 2585 | 2761 | 2954 | 3106 | 3203 | 3257 | 3457 | 3735 | 4341 |
Better Fuel Economy Factory Ratios Increased Power
