Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/75-16 | 225/60-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.29 (743.9) | 28.63 (727.2) | -0.66 (-16.7) -2.2% |
| Width inches (mm) | 8.86 (225) | 8.86 (225) | 0 (0) 0% |
| Circum. inches (mm) | 92.01 (2337.03) | 89.94 (2284.57) | -2.07 (-52.46) -2.2% |
| Sidewall Height inches (mm) | 6.64 (168.75) | 5.31 (135) | -1.33 (-33.75) -20% |
| Revolutions per mile (km) | 688.63 (427.89) | 704.44 (437.72) | 15.81 (9.83) 2.3% |
225/60-18 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.55 mph (31.46 km/h) |
| 25 mph (40.23 km/h) | 24.44 mph (39.33 km/h) |
| 30 mph (48.28 km/h) | 29.33 mph (47.2 km/h) |
| 35 mph (56.33 km/h) | 34.21 mph (55.06 km/h) |
| 40 mph (64.37 km/h) | 39.1 mph (62.93 km/h) |
| 45 mph (72.42 km/h) | 43.99 mph (70.79 km/h) |
| 50 mph (80.47 km/h) | 48.88 mph (78.66 km/h) |
| 55 mph (88.51 km/h) | 53.77 mph (86.53 km/h) |
| 60 mph (96.56 km/h) | 58.65 mph (94.39 km/h) |
| 65 mph (104.61 km/h) | 63.54 mph (102.26 km/h) |
| 70 mph (112.65 km/h) | 68.43 mph (110.13 km/h) |
| 75 mph (120.7 km/h) | 73.32 mph (117.99 km/h) |
| 80 mph (128.75 km/h) | 78.2 mph (125.86 km/h) |
| 85 mph (136.79 km/h) | 83.09 mph (133.72 km/h) |
| 90 mph (144.84 km/h) | 87.98 mph (141.59 km/h) |
| 95 mph (152.89 km/h) | 92.87 mph (149.46 km/h) |
| 100 mph (160.93 km/h) | 97.76 mph (157.32 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
