2005 Porsche 911 vs. 2007 BMW 320
To start off, 2007 BMW 320 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Porsche 911. In addition, the cost of maintenance, including insurance, on 2005 Porsche 911 would be higher. At 3,605 cc (6 cylinders), 2005 Porsche 911 is equipped with a bigger engine. In terms of performance, 2005 Porsche 911 (445 HP @ 6000 RPM) has 277 more horse power than 2007 BMW 320. (168 HP @ 6100 RPM). In normal driving conditions, 2005 Porsche 911 should accelerate faster than 2007 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2005 Porsche 911 weights approximately 120 kg more than 2007 BMW 320. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2005 Porsche 911 (620 Nm) has 410 more torque (in Nm) than 2007 BMW 320. (210 Nm). This means 2005 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 320.
Compare all specifications:
| 2005 Porsche 911 | 2007 BMW 320 | |
| Make | Porsche | BMW |
| Model | 911 | 320 |
| Year Released | 2005 | 2007 |
| Body Type | Coupe | Coupe |
| Engine Position | Rear | Front |
| Engine Size | 3605 cc | 2171 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | boxer | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 445 HP | 168 HP |
| Engine RPM | 6000 RPM | 6100 RPM |
| Torque | 620 Nm | 210 Nm |
| Engine Bore Size | 100 mm | 80.1 mm |
| Engine Stroke Size | 76 mm | 72 mm |
| Engine Compression Ratio | 9.4:1 | 10.8:1 |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1590 kg | 1470 kg |
| Vehicle Length | 4440 mm | 4490 mm |
| Vehicle Width | 1840 mm | 1760 mm |
| Vehicle Height | 1300 mm | 1380 mm |
| Wheelbase Size | 2360 mm | 2730 mm |
| Fuel Consumption Overall | 13.1 L/100km | 8.9 L/100km |
| Fuel Tank Capacity | 63 L | 63 L |
