Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 305/30-22 | 32/12-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.2 (741.8) | 32.09 (815.1) | 2.89 (73.3) 9.9% |
| Width inches (mm) | 12.01 (305) | 12.01 (305) | 0 (0) 0% |
| Circum. inches (mm) | 91.75 (2330.43) | 100.82 (2560.71) | 9.07 (230.28) 9.9% |
| Sidewall Height inches (mm) | 3.6 (91.5) | 8.05 (204.35) | 4.44 (112.85) 123.3% |
| Revolutions per mile (km) | 690.58 (429.1) | 628.48 (390.52) | -62.1 (-38.59) -9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.98 mph (35.37 km/h) |
| 25 mph (40.23 km/h) | 27.47 mph (44.21 km/h) |
| 30 mph (48.28 km/h) | 32.96 mph (53.05 km/h) |
| 35 mph (56.33 km/h) | 38.46 mph (61.89 km/h) |
| 40 mph (64.37 km/h) | 43.95 mph (70.73 km/h) |
| 45 mph (72.42 km/h) | 49.45 mph (79.58 km/h) |
| 50 mph (80.47 km/h) | 54.94 mph (88.42 km/h) |
| 55 mph (88.51 km/h) | 60.43 mph (97.26 km/h) |
| 60 mph (96.56 km/h) | 65.93 mph (106.1 km/h) |
| 65 mph (104.61 km/h) | 71.42 mph (114.94 km/h) |
| 70 mph (112.65 km/h) | 76.92 mph (123.79 km/h) |
| 75 mph (120.7 km/h) | 82.41 mph (132.63 km/h) |
| 80 mph (128.75 km/h) | 87.91 mph (141.47 km/h) |
| 85 mph (136.79 km/h) | 93.4 mph (150.31 km/h) |
| 90 mph (144.84 km/h) | 98.89 mph (159.15 km/h) |
| 95 mph (152.89 km/h) | 104.39 mph (168 km/h) |
| 100 mph (160.93 km/h) | 109.88 mph (176.84 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1599 | 1858 | 2001 | 2089 | 2185 | 2253 | 2328 | 2416 | 2539 | 2661 | 2797 | 2906 | 3103 | 3321 | 3491 | 3600 | 3661 | 3886 | 4199 | 4880 |
Better Fuel Economy Factory Ratios Increased Power
