Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 355/25-21 | 255/60-22.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.99 (710.9) | 34.55 (877.5) | 6.56 (166.6) 23.4% |
| Width inches (mm) | 13.98 (355) | 10.04 (255) | -3.94 (-100) -28.2% |
| Circum. inches (mm) | 87.93 (2233.36) | 108.53 (2756.75) | 20.61 (523.39) 23.4% |
| Sidewall Height inches (mm) | 3.49 (88.75) | 6.02 (153) | 2.53 (64.25) 72.4% |
| Revolutions per mile (km) | 720.59 (447.76) | 583.78 (362.75) | -136.81 (-85.01) -19% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 24.69 mph (39.73 km/h) |
| 25 mph (40.23 km/h) | 30.86 mph (49.66 km/h) |
| 30 mph (48.28 km/h) | 37.03 mph (59.59 km/h) |
| 35 mph (56.33 km/h) | 43.2 mph (69.53 km/h) |
| 40 mph (64.37 km/h) | 49.37 mph (79.46 km/h) |
| 45 mph (72.42 km/h) | 55.55 mph (89.39 km/h) |
| 50 mph (80.47 km/h) | 61.72 mph (99.32 km/h) |
| 55 mph (88.51 km/h) | 67.89 mph (109.26 km/h) |
| 60 mph (96.56 km/h) | 74.06 mph (119.19 km/h) |
| 65 mph (104.61 km/h) | 80.23 mph (129.12 km/h) |
| 70 mph (112.65 km/h) | 86.4 mph (139.05 km/h) |
| 75 mph (120.7 km/h) | 92.58 mph (148.99 km/h) |
| 80 mph (128.75 km/h) | 98.75 mph (158.92 km/h) |
| 85 mph (136.79 km/h) | 104.92 mph (168.85 km/h) |
| 90 mph (144.84 km/h) | 111.09 mph (178.78 km/h) |
| 95 mph (152.89 km/h) | 117.26 mph (188.72 km/h) |
| 100 mph (160.93 km/h) | 123.44 mph (198.65 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1486 | 1726 | 1859 | 1941 | 2029 | 2093 | 2162 | 2244 | 2358 | 2472 | 2598 | 2699 | 2883 | 3085 | 3243 | 3344 | 3401 | 3610 | 3901 | 4533 |
Better Fuel Economy Factory Ratios Increased Power
