2009 BMW 550 vs. 1975 Porsche 911
To start off, 2009 BMW 550 is newer by 34 year(s). Which means there will be less support and parts availability for 1975 Porsche 911. In addition, the cost of maintenance, including insurance, on 1975 Porsche 911 would be higher. At 4,799 cc (8 cylinders), 2009 BMW 550 is equipped with a bigger engine. In terms of performance, 2009 BMW 550 (360 HP @ 6300 RPM) has 100 more horse power than 1975 Porsche 911. (260 HP @ 5500 RPM). In normal driving conditions, 2009 BMW 550 should accelerate faster than 1975 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 550 weights approximately 535 kg more than 1975 Porsche 911. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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. Let's talk about torque, 2009 BMW 550 (489 Nm @ 3400 RPM) has 146 more torque (in Nm) than 1975 Porsche 911. (343 Nm @ 4000 RPM). This means 2009 BMW 550 will have an easier job in driving up hills or pulling heavy equipment than 1975 Porsche 911.
Compare all specifications:
| 2009 BMW 550 | 1975 Porsche 911 | |
| Make | BMW | Porsche |
| Model | 550 | 911 |
| Year Released | 2009 | 1975 |
| Engine Position | Front | Rear |
| Engine Size | 4799 cc | 2994 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 360 HP | 260 HP |
| Engine RPM | 6300 RPM | 5500 RPM |
| Torque | 489 Nm | 343 Nm |
| Torque RPM | 3400 RPM | 4000 RPM |
| Engine Bore Size | 93 mm | 95.1 mm |
| Engine Stroke Size | 88.3 mm | 70.4 mm |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1730 kg | 1195 kg |
| Vehicle Length | 4850 mm | 4300 mm |
| Vehicle Width | 1470 mm | 1780 mm |
| Vehicle Height | 1850 mm | 1330 mm |
| Wheelbase Size | 2890 mm | 2270 mm |
| Fuel Tank Capacity | 70 L | 79 L |
