2009 BMW X6 vs. 1955 BMW 501
To start off, 2009 BMW X6 is newer by 54 year(s). Which means there will be less support and parts availability for 1955 BMW 501. In addition, the cost of maintenance, including insurance, on 1955 BMW 501 would be higher. At 4,395 cc (8 cylinders), 2009 BMW X6 is equipped with a bigger engine. In terms of performance, 2009 BMW X6 (401 HP @ 5500 RPM) has 291 more horse power than 1955 BMW 501. (110 HP @ 4800 RPM). In normal driving conditions, 2009 BMW X6 should accelerate faster than 1955 BMW 501. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW X6 weights approximately 920 kg more than 1955 BMW 501. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 BMW X6 is four wheel drive (4WD), it will have significant more traction and grip than 1955 BMW 501. In wet, icy, snow, or gravel driving conditions, 2009 BMW X6 will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. 2009 BMW X6 has automatic transmission and 1955 BMW 501 has manual transmission. 1955 BMW 501 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 BMW X6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 BMW X6 | 1955 BMW 501 | |
| Make | BMW | BMW |
| Model | X6 | 501 |
| Year Released | 2009 | 1955 |
| Engine Position | Front | Front |
| Engine Size | 4395 cc | 2580 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 401 HP | 110 HP |
| Engine RPM | 5500 RPM | 4800 RPM |
| Engine Bore Size | 89 mm | 74.1 mm |
| Engine Stroke Size | 88.3 mm | 75 mm |
| Engine Compression Ratio | 10.0:1 | 7.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2265 kg | 1345 kg |
| Vehicle Length | 4880 mm | 4710 mm |
| Vehicle Width | 1990 mm | 1780 mm |
| Vehicle Height | 1700 mm | 1530 mm |
| Wheelbase Size | 2940 mm | 2840 mm |
