Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/60-18 | 265/50-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.57 (751.2) | 28.43 (722.2) | -1.14 (-29) -3.9% |
| Width inches (mm) | 9.65 (245) | 10.43 (265) | 0.79 (20) 8.2% |
| Circum. inches (mm) | 92.91 (2359.96) | 89.33 (2268.86) | -3.59 (-91.11) -3.9% |
| Sidewall Height inches (mm) | 5.79 (147) | 5.22 (132.5) | -0.57 (-14.5) -9.9% |
| Revolutions per mile (km) | 681.94 (423.73) | 709.32 (440.75) | 27.38 (17.02) 4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.23 mph (30.94 km/h) |
| 25 mph (40.23 km/h) | 24.03 mph (38.68 km/h) |
| 30 mph (48.28 km/h) | 28.84 mph (46.42 km/h) |
| 35 mph (56.33 km/h) | 33.65 mph (54.15 km/h) |
| 40 mph (64.37 km/h) | 38.46 mph (61.89 km/h) |
| 45 mph (72.42 km/h) | 43.26 mph (69.62 km/h) |
| 50 mph (80.47 km/h) | 48.07 mph (77.36 km/h) |
| 55 mph (88.51 km/h) | 52.88 mph (85.1 km/h) |
| 60 mph (96.56 km/h) | 57.68 mph (92.83 km/h) |
| 65 mph (104.61 km/h) | 62.49 mph (100.57 km/h) |
| 70 mph (112.65 km/h) | 67.3 mph (108.31 km/h) |
| 75 mph (120.7 km/h) | 72.1 mph (116.04 km/h) |
| 80 mph (128.75 km/h) | 76.91 mph (123.78 km/h) |
| 85 mph (136.79 km/h) | 81.72 mph (131.51 km/h) |
| 90 mph (144.84 km/h) | 86.53 mph (139.25 km/h) |
| 95 mph (152.89 km/h) | 91.33 mph (146.99 km/h) |
| 100 mph (160.93 km/h) | 96.14 mph (154.72 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
