Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/70-19.5 | 225/19.5-22.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 33 (838.3) | 26.04 (661.5) | -6.96 (-176.8) -21.1% |
| Width inches (mm) | 9.65 (245) | 8.86 (225) | -0.79 (-20) -8.2% |
| Circum. inches (mm) | 103.68 (2633.6) | 81.82 (2078.16) | -21.87 (-555.43) -21.1% |
| Sidewall Height inches (mm) | 6.75 (171.5) | 1.77 (45) | -4.98 (-126.5) -73.8% |
| Revolutions per mile (km) | 611.08 (379.71) | 774.41 (481.19) | 163.32 (101.49) 26.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 15.78 mph (25.4 km/h) |
| 25 mph (40.23 km/h) | 19.73 mph (31.75 km/h) |
| 30 mph (48.28 km/h) | 23.67 mph (38.1 km/h) |
| 35 mph (56.33 km/h) | 27.62 mph (44.45 km/h) |
| 40 mph (64.37 km/h) | 31.56 mph (50.8 km/h) |
| 45 mph (72.42 km/h) | 35.51 mph (57.15 km/h) |
| 50 mph (80.47 km/h) | 39.45 mph (63.5 km/h) |
| 55 mph (88.51 km/h) | 43.4 mph (69.85 km/h) |
| 60 mph (96.56 km/h) | 47.35 mph (76.2 km/h) |
| 65 mph (104.61 km/h) | 51.29 mph (82.55 km/h) |
| 70 mph (112.65 km/h) | 55.24 mph (88.9 km/h) |
| 75 mph (120.7 km/h) | 59.18 mph (95.24 km/h) |
| 80 mph (128.75 km/h) | 63.13 mph (101.59 km/h) |
| 85 mph (136.79 km/h) | 67.07 mph (107.94 km/h) |
| 90 mph (144.84 km/h) | 71.02 mph (114.29 km/h) |
| 95 mph (152.89 km/h) | 74.96 mph (120.64 km/h) |
| 100 mph (160.93 km/h) | 78.91 mph (126.99 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1971 | 2289 | 2465 | 2575 | 2692 | 2776 | 2868 | 2977 | 3128 | 3279 | 3447 | 3581 | 3824 | 4092 | 4302 | 4436 | 4512 | 4788 | 5174 | 6013 |
Better Fuel Economy Factory Ratios Increased Power
