2009 BMW M5 vs. 1974 Porsche 911
To start off, 2009 BMW M5 is newer by 35 year(s). Which means there will be less support and parts availability for 1974 Porsche 911. In addition, the cost of maintenance, including insurance, on 1974 Porsche 911 would be higher. At 4,999 cc (10 cylinders), 2009 BMW M5 is equipped with a bigger engine. In terms of performance, 2009 BMW M5 (500 HP @ 7750 RPM) has 325 more horse power than 1974 Porsche 911. (175 HP @ 5800 RPM). In normal driving conditions, 2009 BMW M5 should accelerate faster than 1974 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW M5 weights approximately 756 kg more than 1974 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 M5 (520 Nm @ 6100 RPM) has 284 more torque (in Nm) than 1974 Porsche 911. (236 Nm @ 4000 RPM). This means 2009 BMW M5 will have an easier job in driving up hills or pulling heavy equipment than 1974 Porsche 911. 2009 BMW M5 has automatic transmission and 1974 Porsche 911 has manual transmission. 1974 Porsche 911 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 BMW M5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 BMW M5 | 1974 Porsche 911 | |
| Make | BMW | Porsche |
| Model | M5 | 911 |
| Year Released | 2009 | 1974 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 4999 cc | 2686 cc |
| Engine Cylinders | 10 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 500 HP | 175 HP |
| Engine RPM | 7750 RPM | 5800 RPM |
| Torque | 520 Nm | 236 Nm |
| Torque RPM | 6100 RPM | 4000 RPM |
| Engine Bore Size | 92 mm | 90 mm |
| Engine Stroke Size | 75.2 mm | 70.4 mm |
| Engine Compression Ratio | 12.0:1 | 8.5:1 |
| Top Speed | 250 km/hour | 229 km/hour |
| Acceleration 0-100mph | 4.7 seconds | 7 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1836 kg | 1080 kg |
| Vehicle Length | 4860 mm | 4300 mm |
| Vehicle Width | 1850 mm | 1620 mm |
| Vehicle Height | 1480 mm | 1330 mm |
| Wheelbase Size | 2900 mm | 2270 mm |
