Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/30-22 | 305/65-22 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.44 (747.8) | 37.61 (955.3) | 8.17 (207.5) 27.7% |
| Width inches (mm) | 12.4 (315) | 12.01 (305) | -0.39 (-10) -3.2% |
| Circum. inches (mm) | 92.49 (2349.28) | 118.16 (3001.16) | 25.66 (651.88) 27.7% |
| Sidewall Height inches (mm) | 3.72 (94.5) | 7.81 (198.25) | 4.08 (103.75) 109.8% |
| Revolutions per mile (km) | 685.04 (425.66) | 536.24 (333.2) | -148.8 (-92.46) -21.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 25.55 mph (41.12 km/h) |
| 25 mph (40.23 km/h) | 31.94 mph (51.4 km/h) |
| 30 mph (48.28 km/h) | 38.32 mph (61.68 km/h) |
| 35 mph (56.33 km/h) | 44.71 mph (71.96 km/h) |
| 40 mph (64.37 km/h) | 51.1 mph (82.24 km/h) |
| 45 mph (72.42 km/h) | 57.49 mph (92.52 km/h) |
| 50 mph (80.47 km/h) | 63.87 mph (102.8 km/h) |
| 55 mph (88.51 km/h) | 70.26 mph (113.08 km/h) |
| 60 mph (96.56 km/h) | 76.65 mph (123.35 km/h) |
| 65 mph (104.61 km/h) | 83.04 mph (133.63 km/h) |
| 70 mph (112.65 km/h) | 89.42 mph (143.91 km/h) |
| 75 mph (120.7 km/h) | 95.81 mph (154.19 km/h) |
| 80 mph (128.75 km/h) | 102.2 mph (164.47 km/h) |
| 85 mph (136.79 km/h) | 108.59 mph (174.75 km/h) |
| 90 mph (144.84 km/h) | 114.97 mph (185.03 km/h) |
| 95 mph (152.89 km/h) | 121.36 mph (195.31 km/h) |
| 100 mph (160.93 km/h) | 127.75 mph (205.59 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1365 | 1585 | 1707 | 1783 | 1864 | 1922 | 1986 | 2061 | 2166 | 2271 | 2387 | 2480 | 2648 | 2834 | 2979 | 3072 | 3124 | 3316 | 3583 | 4164 |
Better Fuel Economy Factory Ratios Increased Power
