Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/60-14 | 225/45-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.74 (577.6) | 23.97 (608.9) | 1.23 (31.3) 5.4% |
| Width inches (mm) | 7.28 (185) | 8.86 (225) | 1.57 (40) 21.6% |
| Circum. inches (mm) | 71.44 (1814.58) | 75.31 (1912.92) | 3.87 (98.33) 5.4% |
| Sidewall Height inches (mm) | 4.37 (111) | 3.99 (101.25) | -0.38 (-9.75) -8.8% |
| Revolutions per mile (km) | 886.89 (551.09) | 841.3 (522.76) | -45.59 (-28.33) -5.1% |
225/45-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.08 mph (33.93 km/h) |
| 25 mph (40.23 km/h) | 26.35 mph (42.41 km/h) |
| 30 mph (48.28 km/h) | 31.63 mph (50.9 km/h) |
| 35 mph (56.33 km/h) | 36.9 mph (59.38 km/h) |
| 40 mph (64.37 km/h) | 42.17 mph (67.86 km/h) |
| 45 mph (72.42 km/h) | 47.44 mph (76.35 km/h) |
| 50 mph (80.47 km/h) | 52.71 mph (84.83 km/h) |
| 55 mph (88.51 km/h) | 57.98 mph (93.31 km/h) |
| 60 mph (96.56 km/h) | 63.25 mph (101.79 km/h) |
| 65 mph (104.61 km/h) | 68.52 mph (110.28 km/h) |
| 70 mph (112.65 km/h) | 73.79 mph (118.76 km/h) |
| 75 mph (120.7 km/h) | 79.06 mph (127.24 km/h) |
| 80 mph (128.75 km/h) | 84.34 mph (135.72 km/h) |
| 85 mph (136.79 km/h) | 89.61 mph (144.21 km/h) |
| 90 mph (144.84 km/h) | 94.88 mph (152.69 km/h) |
| 95 mph (152.89 km/h) | 100.15 mph (161.17 km/h) |
| 100 mph (160.93 km/h) | 105.42 mph (169.66 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2141 | 2487 | 2678 | 2797 | 2924 | 3016 | 3116 | 3234 | 3398 | 3562 | 3744 | 3890 | 4154 | 4446 | 4674 | 4819 | 4901 | 5202 | 5621 | 6532 |
Better Fuel Economy Factory Ratios Increased Power
