Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 305/30-22 | 315/30-22 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.2 (741.8) | 29.44 (747.8) | 0.24 (6) 0.8% |
| Width inches (mm) | 12.01 (305) | 12.4 (315) | 0.39 (10) 3.3% |
| Circum. inches (mm) | 91.75 (2330.43) | 92.49 (2349.28) | 0.74 (18.85) 0.8% |
| Sidewall Height inches (mm) | 3.6 (91.5) | 3.72 (94.5) | 0.12 (3) 3.3% |
| Revolutions per mile (km) | 690.58 (429.1) | 685.04 (425.66) | -5.54 (-3.44) -0.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.16 mph (32.45 km/h) |
| 25 mph (40.23 km/h) | 25.2 mph (40.56 km/h) |
| 30 mph (48.28 km/h) | 30.24 mph (48.67 km/h) |
| 35 mph (56.33 km/h) | 35.28 mph (56.78 km/h) |
| 40 mph (64.37 km/h) | 40.32 mph (64.89 km/h) |
| 45 mph (72.42 km/h) | 45.36 mph (73.01 km/h) |
| 50 mph (80.47 km/h) | 50.4 mph (81.12 km/h) |
| 55 mph (88.51 km/h) | 55.44 mph (89.23 km/h) |
| 60 mph (96.56 km/h) | 60.49 mph (97.34 km/h) |
| 65 mph (104.61 km/h) | 65.53 mph (105.45 km/h) |
| 70 mph (112.65 km/h) | 70.57 mph (113.57 km/h) |
| 75 mph (120.7 km/h) | 75.61 mph (121.68 km/h) |
| 80 mph (128.75 km/h) | 80.65 mph (129.79 km/h) |
| 85 mph (136.79 km/h) | 85.69 mph (137.9 km/h) |
| 90 mph (144.84 km/h) | 90.73 mph (146.01 km/h) |
| 95 mph (152.89 km/h) | 95.77 mph (154.12 km/h) |
| 100 mph (160.93 km/h) | 100.81 mph (162.24 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1743 | 2025 | 2181 | 2277 | 2381 | 2455 | 2537 | 2633 | 2767 | 2901 | 3049 | 3168 | 3383 | 3620 | 3806 | 3924 | 3991 | 4236 | 4577 | 5319 |
Better Fuel Economy Factory Ratios Increased Power
