Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/70-19.5 | 225/80-19.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31.9 (810.3) | 33.67 (855.3) | 1.77 (45) 5.6% |
| Width inches (mm) | 8.86 (225) | 8.86 (225) | 0 (0) 0% |
| Circum. inches (mm) | 100.22 (2545.63) | 105.79 (2687) | 5.57 (141.37) 5.6% |
| Sidewall Height inches (mm) | 6.2 (157.5) | 7.09 (180) | 0.89 (22.5) 14.3% |
| Revolutions per mile (km) | 632.2 (392.83) | 598.94 (372.16) | -33.26 (-20.67) -5.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.11 mph (33.97 km/h) |
| 25 mph (40.23 km/h) | 26.39 mph (42.47 km/h) |
| 30 mph (48.28 km/h) | 31.67 mph (50.96 km/h) |
| 35 mph (56.33 km/h) | 36.94 mph (59.46 km/h) |
| 40 mph (64.37 km/h) | 42.22 mph (67.95 km/h) |
| 45 mph (72.42 km/h) | 47.5 mph (76.44 km/h) |
| 50 mph (80.47 km/h) | 52.78 mph (84.94 km/h) |
| 55 mph (88.51 km/h) | 58.05 mph (93.43 km/h) |
| 60 mph (96.56 km/h) | 63.33 mph (101.92 km/h) |
| 65 mph (104.61 km/h) | 68.61 mph (110.42 km/h) |
| 70 mph (112.65 km/h) | 73.89 mph (118.91 km/h) |
| 75 mph (120.7 km/h) | 79.17 mph (127.4 km/h) |
| 80 mph (128.75 km/h) | 84.44 mph (135.9 km/h) |
| 85 mph (136.79 km/h) | 89.72 mph (144.39 km/h) |
| 90 mph (144.84 km/h) | 95 mph (152.88 km/h) |
| 95 mph (152.89 km/h) | 100.28 mph (161.38 km/h) |
| 100 mph (160.93 km/h) | 105.55 mph (169.87 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1524 | 1771 | 1907 | 1991 | 2082 | 2147 | 2218 | 2302 | 2419 | 2536 | 2666 | 2769 | 2958 | 3165 | 3327 | 3431 | 3489 | 3703 | 4002 | 4650 |
Better Fuel Economy Factory Ratios Increased Power
