Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 285/30-22 | 305/30-22 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.73 (729.8) | 29.2 (741.8) | 0.47 (12) 1.6% |
| Width inches (mm) | 11.22 (285) | 12.01 (305) | 0.79 (20) 7% |
| Circum. inches (mm) | 90.27 (2292.73) | 91.75 (2330.43) | 1.48 (37.7) 1.6% |
| Sidewall Height inches (mm) | 3.37 (85.5) | 3.6 (91.5) | 0.24 (6) 7% |
| Revolutions per mile (km) | 701.93 (436.16) | 690.58 (429.1) | -11.36 (-7.06) -1.6% |
305/30-22 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.33 mph (32.72 km/h) |
| 25 mph (40.23 km/h) | 25.41 mph (40.9 km/h) |
| 30 mph (48.28 km/h) | 30.49 mph (49.07 km/h) |
| 35 mph (56.33 km/h) | 35.58 mph (57.25 km/h) |
| 40 mph (64.37 km/h) | 40.66 mph (65.43 km/h) |
| 45 mph (72.42 km/h) | 45.74 mph (73.61 km/h) |
| 50 mph (80.47 km/h) | 50.82 mph (81.79 km/h) |
| 55 mph (88.51 km/h) | 55.9 mph (89.97 km/h) |
| 60 mph (96.56 km/h) | 60.99 mph (98.15 km/h) |
| 65 mph (104.61 km/h) | 66.07 mph (106.33 km/h) |
| 70 mph (112.65 km/h) | 71.15 mph (114.51 km/h) |
| 75 mph (120.7 km/h) | 76.23 mph (122.69 km/h) |
| 80 mph (128.75 km/h) | 81.32 mph (130.86 km/h) |
| 85 mph (136.79 km/h) | 86.4 mph (139.04 km/h) |
| 90 mph (144.84 km/h) | 91.48 mph (147.22 km/h) |
| 95 mph (152.89 km/h) | 96.56 mph (155.4 km/h) |
| 100 mph (160.93 km/h) | 101.64 mph (163.58 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
