Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 235/45-22 | 305/30-22 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.33 (770.3) | 29.2 (741.8) | -1.12 (-28.5) -3.7% |
| Width inches (mm) | 9.25 (235) | 12.01 (305) | 2.76 (70) 29.8% |
| Circum. inches (mm) | 95.27 (2419.97) | 91.75 (2330.43) | -3.53 (-89.54) -3.7% |
| Sidewall Height inches (mm) | 4.16 (105.75) | 3.6 (91.5) | -0.56 (-14.25) -13.5% |
| Revolutions per mile (km) | 665.03 (413.23) | 690.58 (429.1) | 25.55 (15.88) 3.8% |
305/30-22 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.26 mph (31 km/h) |
| 25 mph (40.23 km/h) | 24.08 mph (38.75 km/h) |
| 30 mph (48.28 km/h) | 28.89 mph (46.49 km/h) |
| 35 mph (56.33 km/h) | 33.71 mph (54.24 km/h) |
| 40 mph (64.37 km/h) | 38.52 mph (61.99 km/h) |
| 45 mph (72.42 km/h) | 43.34 mph (69.74 km/h) |
| 50 mph (80.47 km/h) | 48.15 mph (77.49 km/h) |
| 55 mph (88.51 km/h) | 52.97 mph (85.24 km/h) |
| 60 mph (96.56 km/h) | 57.78 mph (92.99 km/h) |
| 65 mph (104.61 km/h) | 62.6 mph (100.74 km/h) |
| 70 mph (112.65 km/h) | 67.41 mph (108.49 km/h) |
| 75 mph (120.7 km/h) | 72.23 mph (116.24 km/h) |
| 80 mph (128.75 km/h) | 77.04 mph (123.98 km/h) |
| 85 mph (136.79 km/h) | 81.86 mph (131.73 km/h) |
| 90 mph (144.84 km/h) | 86.67 mph (139.48 km/h) |
| 95 mph (152.89 km/h) | 91.49 mph (147.23 km/h) |
| 100 mph (160.93 km/h) | 96.3 mph (154.98 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1757 | 2042 | 2199 | 2296 | 2401 | 2475 | 2558 | 2655 | 2789 | 2924 | 3074 | 3193 | 3410 | 3649 | 3836 | 3956 | 4023 | 4270 | 4614 | 5362 |
Better Fuel Economy Factory Ratios Increased Power
