Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 365/65-22.5 | 255/60-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 41.18 (1046) | 32.05 (814) | -9.13 (-232) -22.2% |
| Width inches (mm) | 14.37 (365) | 10.04 (255) | -4.33 (-110) -30.1% |
| Circum. inches (mm) | 129.37 (3286.11) | 100.68 (2557.26) | -28.69 (-728.85) -22.2% |
| Sidewall Height inches (mm) | 9.34 (237.25) | 6.02 (153) | -3.32 (-84.25) -35.5% |
| Revolutions per mile (km) | 489.74 (304.31) | 629.32 (391.04) | 139.58 (86.73) 28.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 15.56 mph (25.05 km/h) |
| 25 mph (40.23 km/h) | 19.46 mph (31.31 km/h) |
| 30 mph (48.28 km/h) | 23.35 mph (37.57 km/h) |
| 35 mph (56.33 km/h) | 27.24 mph (43.83 km/h) |
| 40 mph (64.37 km/h) | 31.13 mph (50.1 km/h) |
| 45 mph (72.42 km/h) | 35.02 mph (56.36 km/h) |
| 50 mph (80.47 km/h) | 38.91 mph (62.62 km/h) |
| 55 mph (88.51 km/h) | 42.8 mph (68.88 km/h) |
| 60 mph (96.56 km/h) | 46.69 mph (75.14 km/h) |
| 65 mph (104.61 km/h) | 50.58 mph (81.41 km/h) |
| 70 mph (112.65 km/h) | 54.47 mph (87.67 km/h) |
| 75 mph (120.7 km/h) | 58.37 mph (93.93 km/h) |
| 80 mph (128.75 km/h) | 62.26 mph (100.19 km/h) |
| 85 mph (136.79 km/h) | 66.15 mph (106.45 km/h) |
| 90 mph (144.84 km/h) | 70.04 mph (112.72 km/h) |
| 95 mph (152.89 km/h) | 73.93 mph (118.98 km/h) |
| 100 mph (160.93 km/h) | 77.82 mph (125.24 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1602 | 1860 | 2004 | 2092 | 2188 | 2256 | 2331 | 2419 | 2542 | 2665 | 2801 | 2910 | 3108 | 3326 | 3496 | 3605 | 3666 | 3891 | 4205 | 4886 |
Better Fuel Economy Factory Ratios Increased Power
