Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 355/25-21 | 360/45-22 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.99 (710.9) | 34.76 (882.8) | 6.77 (171.9) 24.2% |
| Width inches (mm) | 13.98 (355) | 14.17 (360) | 0.2 (5) 1.4% |
| Circum. inches (mm) | 87.93 (2233.36) | 109.19 (2773.4) | 21.26 (540.04) 24.2% |
| Sidewall Height inches (mm) | 3.49 (88.75) | 6.38 (162) | 2.88 (73.25) 82.5% |
| Revolutions per mile (km) | 720.59 (447.76) | 580.28 (360.57) | -140.31 (-87.19) -19.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 24.84 mph (39.97 km/h) |
| 25 mph (40.23 km/h) | 31.05 mph (49.96 km/h) |
| 30 mph (48.28 km/h) | 37.25 mph (59.95 km/h) |
| 35 mph (56.33 km/h) | 43.46 mph (69.95 km/h) |
| 40 mph (64.37 km/h) | 49.67 mph (79.94 km/h) |
| 45 mph (72.42 km/h) | 55.88 mph (89.93 km/h) |
| 50 mph (80.47 km/h) | 62.09 mph (99.92 km/h) |
| 55 mph (88.51 km/h) | 68.3 mph (109.92 km/h) |
| 60 mph (96.56 km/h) | 74.51 mph (119.91 km/h) |
| 65 mph (104.61 km/h) | 80.72 mph (129.9 km/h) |
| 70 mph (112.65 km/h) | 86.93 mph (139.89 km/h) |
| 75 mph (120.7 km/h) | 93.14 mph (149.89 km/h) |
| 80 mph (128.75 km/h) | 99.34 mph (159.88 km/h) |
| 85 mph (136.79 km/h) | 105.55 mph (169.87 km/h) |
| 90 mph (144.84 km/h) | 111.76 mph (179.86 km/h) |
| 95 mph (152.89 km/h) | 117.97 mph (189.86 km/h) |
| 100 mph (160.93 km/h) | 124.18 mph (199.85 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1477 | 1715 | 1847 | 1929 | 2017 | 2080 | 2149 | 2231 | 2344 | 2457 | 2583 | 2683 | 2865 | 3067 | 3224 | 3324 | 3381 | 3588 | 3877 | 4506 |
Better Fuel Economy Factory Ratios Increased Power
