Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 355/25-21 | 355/50-22.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.99 (710.9) | 36.48 (926.5) | 8.49 (215.6) 30.3% |
| Width inches (mm) | 13.98 (355) | 13.98 (355) | 0 (0) 0% |
| Circum. inches (mm) | 87.93 (2233.36) | 114.59 (2910.69) | 26.67 (677.33) 30.3% |
| Sidewall Height inches (mm) | 3.49 (88.75) | 6.99 (177.5) | 3.49 (88.75) 100% |
| Revolutions per mile (km) | 720.59 (447.76) | 552.91 (343.56) | -167.68 (-104.19) -23.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 26.07 mph (41.95 km/h) |
| 25 mph (40.23 km/h) | 32.58 mph (52.44 km/h) |
| 30 mph (48.28 km/h) | 39.1 mph (62.92 km/h) |
| 35 mph (56.33 km/h) | 45.61 mph (73.41 km/h) |
| 40 mph (64.37 km/h) | 52.13 mph (83.9 km/h) |
| 45 mph (72.42 km/h) | 58.65 mph (94.38 km/h) |
| 50 mph (80.47 km/h) | 65.16 mph (104.87 km/h) |
| 55 mph (88.51 km/h) | 71.68 mph (115.36 km/h) |
| 60 mph (96.56 km/h) | 78.2 mph (125.85 km/h) |
| 65 mph (104.61 km/h) | 84.71 mph (136.33 km/h) |
| 70 mph (112.65 km/h) | 91.23 mph (146.82 km/h) |
| 75 mph (120.7 km/h) | 97.75 mph (157.31 km/h) |
| 80 mph (128.75 km/h) | 104.26 mph (167.79 km/h) |
| 85 mph (136.79 km/h) | 110.78 mph (178.28 km/h) |
| 90 mph (144.84 km/h) | 117.29 mph (188.77 km/h) |
| 95 mph (152.89 km/h) | 123.81 mph (199.26 km/h) |
| 100 mph (160.93 km/h) | 130.33 mph (209.74 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1407 | 1635 | 1760 | 1838 | 1922 | 1982 | 2048 | 2126 | 2233 | 2341 | 2461 | 2557 | 2730 | 2922 | 3072 | 3167 | 3221 | 3419 | 3694 | 4293 |
Better Fuel Economy Factory Ratios Increased Power
