2005 Porsche 911 vs. 2008 BMW 545
To start off, 2008 BMW 545 is newer by 3 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 4,398 cc (8 cylinders), 2008 BMW 545 is equipped with a bigger engine. In terms of performance, 2005 Porsche 911 (445 HP @ 5700 RPM) has 117 more horse power than 2008 BMW 545. (328 HP @ 6100 RPM). In normal driving conditions, 2005 Porsche 911 should accelerate faster than 2008 BMW 545. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW 545 weights approximately 385 kg more than 2005 Porsche 911.
Because 2005 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 2008 BMW 545. In wet, icy, snow, or gravel driving conditions, 2005 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 Porsche 911 (620 Nm @ 3500 RPM) has 170 more torque (in Nm) than 2008 BMW 545. (450 Nm @ 3600 RPM). This means 2005 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW 545. 2008 BMW 545 has automatic transmission and 2005 Porsche 911 has manual transmission. 2005 Porsche 911 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 BMW 545 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Porsche 911 | 2008 BMW 545 | |
| Make | Porsche | BMW |
| Model | 911 | 545 |
| Year Released | 2005 | 2008 |
| Body Type | Coupe | Station Wagon |
| Engine Position | Rear | Front |
| Engine Size | 3600 cc | 4398 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | boxer | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 445 HP | 328 HP |
| Engine RPM | 5700 RPM | 6100 RPM |
| Torque | 620 Nm | 450 Nm |
| Torque RPM | 3500 RPM | 3600 RPM |
| Engine Bore Size | 100 mm | 92 mm |
| Engine Stroke Size | 76.4 mm | 82.7 mm |
| Engine Compression Ratio | 9.4:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 307 km/hour | 250 km/hour |
| Acceleration 0-100mph | 4.2 seconds | 5.9 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1590 kg | 1975 kg |
| Vehicle Length | 4440 mm | 4850 mm |
| Vehicle Width | 1840 mm | 1850 mm |
| Vehicle Height | 1300 mm | 1500 mm |
| Wheelbase Size | 2360 mm | 2840 mm |
| Fuel Consumption Overall | 13.3 L/100km | 11.3 L/100km |
| Fuel Tank Capacity | 64 L | 70 L |
