Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 190/55-15 | 300/54-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.23 (590) | 27.76 (705) | 4.53 (115) 19.5% |
| Width inches (mm) | 7.48 (190) | 11.81 (300) | 4.33 (110) 57.9% |
| Circum. inches (mm) | 72.97 (1853.54) | 87.2 (2214.82) | 14.22 (361.28) 19.5% |
| Sidewall Height inches (mm) | 4.11 (104.5) | 6.38 (162) | 2.26 (57.5) 55% |
| Revolutions per mile (km) | 868.25 (539.51) | 726.62 (451.5) | -141.63 (-88) -16.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.9 mph (38.46 km/h) |
| 25 mph (40.23 km/h) | 29.87 mph (48.08 km/h) |
| 30 mph (48.28 km/h) | 35.85 mph (57.69 km/h) |
| 35 mph (56.33 km/h) | 41.82 mph (67.31 km/h) |
| 40 mph (64.37 km/h) | 47.8 mph (76.92 km/h) |
| 45 mph (72.42 km/h) | 53.77 mph (86.54 km/h) |
| 50 mph (80.47 km/h) | 59.75 mph (96.15 km/h) |
| 55 mph (88.51 km/h) | 65.72 mph (105.77 km/h) |
| 60 mph (96.56 km/h) | 71.69 mph (115.38 km/h) |
| 65 mph (104.61 km/h) | 77.67 mph (125 km/h) |
| 70 mph (112.65 km/h) | 83.64 mph (134.61 km/h) |
| 75 mph (120.7 km/h) | 89.62 mph (144.23 km/h) |
| 80 mph (128.75 km/h) | 95.59 mph (153.84 km/h) |
| 85 mph (136.79 km/h) | 101.57 mph (163.46 km/h) |
| 90 mph (144.84 km/h) | 107.54 mph (173.07 km/h) |
| 95 mph (152.89 km/h) | 113.52 mph (182.69 km/h) |
| 100 mph (160.93 km/h) | 119.49 mph (192.3 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1849 | 2148 | 2313 | 2416 | 2526 | 2605 | 2691 | 2793 | 2935 | 3077 | 3234 | 3360 | 3588 | 3840 | 4037 | 4162 | 4233 | 4493 | 4855 | 5642 |
Better Fuel Economy Factory Ratios Increased Power
