Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/50-18 | 265/50-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.86 (682.2) | 28.43 (722.2) | 1.57 (40) 5.9% |
| Width inches (mm) | 8.86 (225) | 10.43 (265) | 1.57 (40) 17.8% |
| Circum. inches (mm) | 84.38 (2143.19) | 89.33 (2268.86) | 4.95 (125.66) 5.9% |
| Sidewall Height inches (mm) | 4.43 (112.5) | 5.22 (132.5) | 0.79 (20) 17.8% |
| Revolutions per mile (km) | 750.91 (466.59) | 709.32 (440.75) | -41.59 (-25.84) -5.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.17 mph (34.07 km/h) |
| 25 mph (40.23 km/h) | 26.47 mph (42.59 km/h) |
| 30 mph (48.28 km/h) | 31.76 mph (51.11 km/h) |
| 35 mph (56.33 km/h) | 37.05 mph (59.63 km/h) |
| 40 mph (64.37 km/h) | 42.35 mph (68.15 km/h) |
| 45 mph (72.42 km/h) | 47.64 mph (76.67 km/h) |
| 50 mph (80.47 km/h) | 52.93 mph (85.19 km/h) |
| 55 mph (88.51 km/h) | 58.22 mph (93.7 km/h) |
| 60 mph (96.56 km/h) | 63.52 mph (102.22 km/h) |
| 65 mph (104.61 km/h) | 68.81 mph (110.74 km/h) |
| 70 mph (112.65 km/h) | 74.1 mph (119.26 km/h) |
| 75 mph (120.7 km/h) | 79.4 mph (127.78 km/h) |
| 80 mph (128.75 km/h) | 84.69 mph (136.3 km/h) |
| 85 mph (136.79 km/h) | 89.98 mph (144.82 km/h) |
| 90 mph (144.84 km/h) | 95.28 mph (153.33 km/h) |
| 95 mph (152.89 km/h) | 100.57 mph (161.85 km/h) |
| 100 mph (160.93 km/h) | 105.86 mph (170.37 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1805 | 2097 | 2258 | 2358 | 2466 | 2542 | 2627 | 2727 | 2865 | 3003 | 3157 | 3280 | 3503 | 3748 | 3940 | 4063 | 4132 | 4386 | 4739 | 5507 |
Better Fuel Economy Factory Ratios Increased Power
