2009 BMW M6 vs. 1999 Porsche 911
To start off, 2009 BMW M6 is newer by 10 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), 2009 BMW M6 is equipped with a bigger engine. In terms of performance, 2009 BMW M6 (500 HP @ 7750 RPM) has 86 more horse power than 1999 Porsche 911. (414 HP @ 6000 RPM). In normal driving conditions, 2009 BMW M6 should accelerate faster than 1999 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 1999 Porsche 911 weights approximately 260 kg more than 2009 BMW M6.
Because 1999 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 2009 BMW M6. 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, 1999 Porsche 911 (560 Nm @ 2700 RPM) has 41 more torque (in Nm) than 2009 BMW M6. (519 Nm @ 6100 RPM). This means 1999 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW M6.
Compare all specifications:
| 2009 BMW M6 | 1999 Porsche 911 | |
| Make | BMW | Porsche |
| Model | M6 | 911 |
| Year Released | 2009 | 1999 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 4999 cc | 3595 cc |
| Engine Cylinders | 10 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 500 HP | 414 HP |
| Engine RPM | 7750 RPM | 6000 RPM |
| Torque | 519 Nm | 560 Nm |
| Torque RPM | 6100 RPM | 2700 RPM |
| Engine Compression Ratio | 12.0:1 | 9.4:1 |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1280 kg | 1540 kg |
| Vehicle Length | 4880 mm | 4440 mm |
| Vehicle Width | 1860 mm | 1840 mm |
| Vehicle Height | 1380 mm | 1300 mm |
| Wheelbase Size | 2790 mm | 2360 mm |
| Fuel Tank Capacity | 70 L | 64 L |
