2004 BMW 525 vs. 2007 Porsche 911
To start off, 2007 Porsche 911 is newer by 3 year(s). Which means there will be less support and parts availability for 2004 BMW 525. In addition, the cost of maintenance, including insurance, on 2004 BMW 525 would be higher. At 3,600 cc (6 cylinders), 2007 Porsche 911 is equipped with a bigger engine. In terms of performance, 2007 Porsche 911 (409 HP @ 7600 RPM) has 220 more horse power than 2004 BMW 525. (189 HP @ 6000 RPM) In normal driving conditions, 2007 Porsche 911 should accelerate faster than 2004 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW 525 weights approximately 279 kg more than 2007 Porsche 911.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 2007 Porsche 911 (405 Nm @ 5500 RPM) has 160 more torque (in Nm) than 2004 BMW 525. (245 Nm @ 3500 RPM). This means 2007 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2004 BMW 525. 2004 BMW 525 has automatic transmission and 2007 Porsche 911 has manual transmission. 2007 Porsche 911 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 BMW 525 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 BMW 525 | 2007 Porsche 911 | |
| Make | BMW | Porsche |
| Model | 525 | 911 |
| Year Released | 2004 | 2007 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 2494 cc | 3600 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 189 HP | 409 HP |
| Engine RPM | 6000 RPM | 7600 RPM |
| Torque | 245 Nm | 405 Nm |
| Torque RPM | 3500 RPM | 5500 RPM |
| Engine Bore Size | 84.1 mm | 100 mm |
| Engine Stroke Size | 75 mm | 76.4 mm |
| Engine Compression Ratio | 10.5:1 | 11.7:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1665 kg | 1386 kg |
| Vehicle Length | 4850 mm | 4440 mm |
| Vehicle Width | 1850 mm | 1780 mm |
| Vehicle Height | 1500 mm | 1280 mm |
| Wheelbase Size | 2890 mm | 2360 mm |
| Fuel Consumption Overall | 10.3 L/100km | 12.9 L/100km |
| Fuel Tank Capacity | 70 L | 89 L |
