Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 125/70-19 | 195/75-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.89 (657.6) | 29.52 (749.7) | 3.63 (92.1) 14% |
| Width inches (mm) | 4.92 (125) | 7.68 (195) | 2.76 (70) 56% |
| Circum. inches (mm) | 81.34 (2065.91) | 92.73 (2355.25) | 11.39 (289.34) 14% |
| Sidewall Height inches (mm) | 3.44 (87.5) | 5.76 (146.25) | 2.31 (58.75) 67.1% |
| Revolutions per mile (km) | 779 (484.05) | 683.3 (424.58) | -95.7 (-59.46) -12.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.8 mph (36.69 km/h) |
| 25 mph (40.23 km/h) | 28.5 mph (45.87 km/h) |
| 30 mph (48.28 km/h) | 34.2 mph (55.04 km/h) |
| 35 mph (56.33 km/h) | 39.9 mph (64.22 km/h) |
| 40 mph (64.37 km/h) | 45.6 mph (73.39 km/h) |
| 45 mph (72.42 km/h) | 51.3 mph (82.56 km/h) |
| 50 mph (80.47 km/h) | 57 mph (91.74 km/h) |
| 55 mph (88.51 km/h) | 62.7 mph (100.91 km/h) |
| 60 mph (96.56 km/h) | 68.4 mph (110.08 km/h) |
| 65 mph (104.61 km/h) | 74.1 mph (119.26 km/h) |
| 70 mph (112.65 km/h) | 79.8 mph (128.43 km/h) |
| 75 mph (120.7 km/h) | 85.5 mph (137.61 km/h) |
| 80 mph (128.75 km/h) | 91.2 mph (146.78 km/h) |
| 85 mph (136.79 km/h) | 96.9 mph (155.95 km/h) |
| 90 mph (144.84 km/h) | 102.6 mph (165.13 km/h) |
| 95 mph (152.89 km/h) | 108.31 mph (174.3 km/h) |
| 100 mph (160.93 km/h) | 114.01 mph (183.47 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1739 | 2020 | 2175 | 2272 | 2375 | 2449 | 2531 | 2627 | 2760 | 2893 | 3041 | 3160 | 3374 | 3611 | 3796 | 3914 | 3981 | 4225 | 4565 | 5305 |
Better Fuel Economy Factory Ratios Increased Power
