Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/45-10 | 200/45-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 17.97 (456.5) | 27.09 (688) | 9.11 (231.5) 50.7% |
| Width inches (mm) | 8.86 (225) | 7.87 (200) | -0.98 (-25) -11.1% |
| Circum. inches (mm) | 56.46 (1434.14) | 85.1 (2161.42) | 28.63 (727.28) 50.7% |
| Sidewall Height inches (mm) | 3.99 (101.25) | 3.54 (90) | -0.44 (-11.25) -11.1% |
| Revolutions per mile (km) | 1122.17 (697.28) | 744.58 (462.66) | -377.59 (-234.62) -33.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 30.14 mph (48.51 km/h) |
| 25 mph (40.23 km/h) | 37.68 mph (60.64 km/h) |
| 30 mph (48.28 km/h) | 45.21 mph (72.76 km/h) |
| 35 mph (56.33 km/h) | 52.75 mph (84.89 km/h) |
| 40 mph (64.37 km/h) | 60.28 mph (97.02 km/h) |
| 45 mph (72.42 km/h) | 67.82 mph (109.15 km/h) |
| 50 mph (80.47 km/h) | 75.36 mph (121.27 km/h) |
| 55 mph (88.51 km/h) | 82.89 mph (133.4 km/h) |
| 60 mph (96.56 km/h) | 90.43 mph (145.53 km/h) |
| 65 mph (104.61 km/h) | 97.96 mph (157.66 km/h) |
| 70 mph (112.65 km/h) | 105.5 mph (169.78 km/h) |
| 75 mph (120.7 km/h) | 113.03 mph (181.91 km/h) |
| 80 mph (128.75 km/h) | 120.57 mph (194.04 km/h) |
| 85 mph (136.79 km/h) | 128.11 mph (206.17 km/h) |
| 90 mph (144.84 km/h) | 135.64 mph (218.29 km/h) |
| 95 mph (152.89 km/h) | 143.18 mph (230.42 km/h) |
| 100 mph (160.93 km/h) | 150.71 mph (242.55 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1895 | 2201 | 2371 | 2475 | 2588 | 2669 | 2758 | 2862 | 3008 | 3153 | 3314 | 3443 | 3677 | 3935 | 4136 | 4265 | 4338 | 4604 | 4975 | 5781 |
Better Fuel Economy Factory Ratios Increased Power
