2007 BMW M5 vs. 1999 Porsche 911
To start off, 2007 BMW M5 is newer by 8 year(s). Which means there will be less support and parts availability for 1999 Porsche 911. In addition, the cost of maintenance, including insurance, on 1999 Porsche 911 would be higher. At 4,999 cc (10 cylinders), 2007 BMW M5 is equipped with a bigger engine. In terms of performance, 2007 BMW M5 (500 HP @ 7750 RPM) has 204 more horse power than 1999 Porsche 911. (296 HP @ 6000 RPM). In normal driving conditions, 2007 BMW M5 should accelerate faster than 1999 Porsche 911.
Because 1999 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 2007 BMW M5. In wet, icy, snow, or gravel driving conditions, 1999 Porsche 911 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. Let's talk about torque, 2007 BMW M5 (520 Nm) has 170 more torque (in Nm) than 1999 Porsche 911. (350 Nm). This means 2007 BMW M5 will have an easier job in driving up hills or pulling heavy equipment than 1999 Porsche 911. 2007 BMW M5 has automatic transmission and 1999 Porsche 911 has manual transmission. 1999 Porsche 911 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 BMW M5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 BMW M5 | 1999 Porsche 911 | |
| Make | BMW | Porsche |
| Model | M5 | 911 |
| Year Released | 2007 | 1999 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 4999 cc | 3387 cc |
| Engine Cylinders | 10 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 500 HP | 296 HP |
| Engine RPM | 7750 RPM | 6000 RPM |
| Torque | 520 Nm | 350 Nm |
| Engine Compression Ratio | 12.0:1 | 11.3:1 |
| Top Speed | 250 km/hour | 260 km/hour |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Length | 4860 mm | 4440 mm |
| Vehicle Width | 1850 mm | 1770 mm |
| Vehicle Height | 1470 mm | 1320 mm |
| Wheelbase Size | 2890 mm | 2360 mm |
