2005 BMW 545 vs. 2007 Porsche 911
To start off, 2007 Porsche 911 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 BMW 545. In addition, the cost of maintenance, including insurance, on 2005 BMW 545 would be higher. At 4,390 cc (8 cylinders), 2005 BMW 545 is equipped with a bigger engine. In terms of performance, 2007 Porsche 911 (355 HP @ 6600 RPM) has 29 more horse power than 2005 BMW 545. (326 HP @ 6100 RPM) In normal driving conditions, 2007 Porsche 911 should accelerate faster than 2005 BMW 545. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 545 weights approximately 190 kg more than 2007 Porsche 911.
Because 2007 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 2005 BMW 545. In wet, icy, snow, or gravel driving conditions, 2007 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, 2005 BMW 545 (450 Nm @ 3600 RPM) has 49 more torque (in Nm) than 2007 Porsche 911. (401 Nm @ 4600 RPM). This means 2005 BMW 545 will have an easier job in driving up hills or pulling heavy equipment than 2007 Porsche 911.
Compare all specifications:
| 2005 BMW 545 | 2007 Porsche 911 | |
| Make | BMW | Porsche |
| Model | 545 | 911 |
| Year Released | 2005 | 2007 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 4390 cc | 3824 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 326 HP | 355 HP |
| Engine RPM | 6100 RPM | 6600 RPM |
| Torque | 450 Nm | 401 Nm |
| Torque RPM | 3600 RPM | 4600 RPM |
| Engine Bore Size | 92 mm | 100 mm |
| Engine Stroke Size | 82.7 mm | 76 mm |
| Top Speed | 250 km/hour | 288 km/hour |
| Acceleration 0-100mph | 5.9 seconds | 4.8 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1665 kg | 1475 kg |
| Vehicle Length | 4850 mm | 4470 mm |
| Vehicle Width | 1850 mm | 1860 mm |
| Vehicle Height | 1500 mm | 1310 mm |
| Wheelbase Size | 2840 mm | 2360 mm |
| Fuel Consumption Overall | 11.3 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 70 L | 67 L |
