Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 365/65-22.5 | 345/55-19.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 41.18 (1046) | 34.44 (874.8) | -6.74 (-171.2) -16.4% |
| Width inches (mm) | 14.37 (365) | 13.58 (345) | -0.79 (-20) -5.5% |
| Circum. inches (mm) | 129.37 (3286.11) | 108.2 (2748.27) | -21.17 (-537.84) -16.4% |
| Sidewall Height inches (mm) | 9.34 (237.25) | 7.47 (189.75) | -1.87 (-47.5) -20% |
| Revolutions per mile (km) | 489.74 (304.31) | 585.59 (363.87) | 95.84 (59.55) 19.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 16.73 mph (26.92 km/h) |
| 25 mph (40.23 km/h) | 20.91 mph (33.65 km/h) |
| 30 mph (48.28 km/h) | 25.09 mph (40.38 km/h) |
| 35 mph (56.33 km/h) | 29.27 mph (47.11 km/h) |
| 40 mph (64.37 km/h) | 33.45 mph (53.84 km/h) |
| 45 mph (72.42 km/h) | 37.63 mph (60.57 km/h) |
| 50 mph (80.47 km/h) | 41.82 mph (67.3 km/h) |
| 55 mph (88.51 km/h) | 46 mph (74.03 km/h) |
| 60 mph (96.56 km/h) | 50.18 mph (80.76 km/h) |
| 65 mph (104.61 km/h) | 54.36 mph (87.49 km/h) |
| 70 mph (112.65 km/h) | 58.54 mph (94.22 km/h) |
| 75 mph (120.7 km/h) | 62.72 mph (100.95 km/h) |
| 80 mph (128.75 km/h) | 66.91 mph (107.68 km/h) |
| 85 mph (136.79 km/h) | 71.09 mph (114.41 km/h) |
| 90 mph (144.84 km/h) | 75.27 mph (121.13 km/h) |
| 95 mph (152.89 km/h) | 79.45 mph (127.86 km/h) |
| 100 mph (160.93 km/h) | 83.63 mph (134.59 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1490 | 1731 | 1864 | 1947 | 2036 | 2099 | 2169 | 2251 | 2365 | 2479 | 2606 | 2708 | 2892 | 3095 | 3253 | 3355 | 3412 | 3621 | 3913 | 4547 |
Better Fuel Economy Factory Ratios Increased Power
