Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 355/25-21 | 355/55-22 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.99 (710.9) | 37.37 (949.3) | 9.39 (238.4) 33.5% |
| Width inches (mm) | 13.98 (355) | 13.98 (355) | 0 (0) 0% |
| Circum. inches (mm) | 87.93 (2233.36) | 117.41 (2982.31) | 29.49 (748.96) 33.5% |
| Sidewall Height inches (mm) | 3.49 (88.75) | 7.69 (195.25) | 4.19 (106.5) 120% |
| Revolutions per mile (km) | 720.59 (447.76) | 539.63 (335.31) | -180.96 (-112.45) -25.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 26.71 mph (42.98 km/h) |
| 25 mph (40.23 km/h) | 33.38 mph (53.73 km/h) |
| 30 mph (48.28 km/h) | 40.06 mph (64.47 km/h) |
| 35 mph (56.33 km/h) | 46.74 mph (75.22 km/h) |
| 40 mph (64.37 km/h) | 53.41 mph (85.96 km/h) |
| 45 mph (72.42 km/h) | 60.09 mph (96.71 km/h) |
| 50 mph (80.47 km/h) | 66.77 mph (107.45 km/h) |
| 55 mph (88.51 km/h) | 73.44 mph (118.2 km/h) |
| 60 mph (96.56 km/h) | 80.12 mph (128.94 km/h) |
| 65 mph (104.61 km/h) | 86.8 mph (139.69 km/h) |
| 70 mph (112.65 km/h) | 93.47 mph (150.43 km/h) |
| 75 mph (120.7 km/h) | 100.15 mph (161.18 km/h) |
| 80 mph (128.75 km/h) | 106.83 mph (171.92 km/h) |
| 85 mph (136.79 km/h) | 113.5 mph (182.67 km/h) |
| 90 mph (144.84 km/h) | 120.18 mph (193.41 km/h) |
| 95 mph (152.89 km/h) | 126.86 mph (204.16 km/h) |
| 100 mph (160.93 km/h) | 133.53 mph (214.9 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1373 | 1595 | 1718 | 1794 | 1876 | 1934 | 1999 | 2074 | 2180 | 2285 | 2402 | 2495 | 2665 | 2852 | 2998 | 3091 | 3144 | 3337 | 3606 | 4190 |
Better Fuel Economy Factory Ratios Increased Power
