2004 Porsche 911 vs. 2013 BMW 6 series
To start off, 2013 BMW 6 series is newer by 9 year(s). Which means there will be less support and parts availability for 2004 Porsche 911. In addition, the cost of maintenance, including insurance, on 2004 Porsche 911 would be higher. At 4,395 cc (8 cylinders), 2013 BMW 6 series is equipped with a bigger engine. In terms of performance, 2013 BMW 6 series (437 HP @ 5500 RPM) has 122 more horse power than 2004 Porsche 911. (315 HP @ 6800 RPM) In normal driving conditions, 2013 BMW 6 series should accelerate faster than 2004 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW 6 series weights approximately 575 kg more than 2004 Porsche 911. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2013 BMW 6 series (649 Nm) has 279 more torque (in Nm) than 2004 Porsche 911. (370 Nm). This means 2013 BMW 6 series will have an easier job in driving up hills or pulling heavy equipment than 2004 Porsche 911.
Compare all specifications:
| 2004 Porsche 911 | 2013 BMW 6 series | |
| Make | Porsche | BMW |
| Model | 911 | 6 series |
| Year Released | 2004 | 2013 |
| Body Type | Coupe | Convertible |
| Engine Position | Rear | Front |
| Engine Size | 3589 cc | 4395 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | boxer | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 315 HP | 437 HP |
| Engine RPM | 6800 RPM | 5500 RPM |
| Torque | 370 Nm | 649 Nm |
| Engine Compression Ratio | 11.3:1 | 10.0 :1 |
| Drive Type | 4WD | AWD |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1425 kg | 2000 kg |
| Vehicle Length | 4440 mm | 4896 mm |
| Vehicle Width | 1840 mm | 2081 mm |
| Vehicle Height | 1300 mm | 1369 mm |
| Wheelbase Size | 2360 mm | 2855 mm |
| Fuel Consumption Highway | 9.8 L/100km | 7.1 L/100km |
| Fuel Consumption City | 13.8 L/100km | 12.9 L/100km |
| Fuel Tank Capacity | 64 L | 70 L |
