Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/50-18 | 225/60-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.86 (682.2) | 28.63 (727.2) | 1.77 (45) 6.6% |
| Width inches (mm) | 8.86 (225) | 8.86 (225) | 0 (0) 0% |
| Circum. inches (mm) | 84.38 (2143.19) | 89.94 (2284.57) | 5.57 (141.37) 6.6% |
| Sidewall Height inches (mm) | 4.43 (112.5) | 5.31 (135) | 0.89 (22.5) 20% |
| Revolutions per mile (km) | 750.91 (466.59) | 704.44 (437.72) | -46.47 (-28.87) -6.2% |
225/60-18 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.32 mph (34.31 km/h) |
| 25 mph (40.23 km/h) | 26.65 mph (42.89 km/h) |
| 30 mph (48.28 km/h) | 31.98 mph (51.47 km/h) |
| 35 mph (56.33 km/h) | 37.31 mph (60.04 km/h) |
| 40 mph (64.37 km/h) | 42.64 mph (68.62 km/h) |
| 45 mph (72.42 km/h) | 47.97 mph (77.2 km/h) |
| 50 mph (80.47 km/h) | 53.3 mph (85.78 km/h) |
| 55 mph (88.51 km/h) | 58.63 mph (94.35 km/h) |
| 60 mph (96.56 km/h) | 63.96 mph (102.93 km/h) |
| 65 mph (104.61 km/h) | 69.29 mph (111.51 km/h) |
| 70 mph (112.65 km/h) | 74.62 mph (120.09 km/h) |
| 75 mph (120.7 km/h) | 79.95 mph (128.66 km/h) |
| 80 mph (128.75 km/h) | 85.28 mph (137.24 km/h) |
| 85 mph (136.79 km/h) | 90.61 mph (145.82 km/h) |
| 90 mph (144.84 km/h) | 95.94 mph (154.4 km/h) |
| 95 mph (152.89 km/h) | 101.27 mph (162.97 km/h) |
| 100 mph (160.93 km/h) | 106.6 mph (171.55 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1793 | 2083 | 2243 | 2342 | 2449 | 2525 | 2609 | 2708 | 2845 | 2983 | 3135 | 3257 | 3479 | 3723 | 3913 | 4035 | 4104 | 4356 | 4707 | 5470 |
Better Fuel Economy Factory Ratios Increased Power
