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 3,822 cc (6 cylinders), 2007 Porsche 911 is equipped with a bigger engine. In terms of performance, 2007 Porsche 911 (355 HP @ 6600 RPM) has 162 more horse power than 2004 BMW 525. (193 HP @ 6100 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 181 kg more than 2007 Porsche 911.
Because 2007 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 2004 BMW 525. 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, 2007 Porsche 911 (400 Nm @ 4600 RPM) has 155 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.
Compare all specifications:
| 2004 BMW 525 | 2007 Porsche 911 | |
| Make | BMW | Porsche |
| Model | 525 | 911 |
| Year Released | 2004 | 2007 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 2494 cc | 3822 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 193 HP | 355 HP |
| Engine RPM | 6100 RPM | 6600 RPM |
| Torque | 245 Nm | 400 Nm |
| Torque RPM | 3500 RPM | 4600 RPM |
| Engine Bore Size | 84 mm | 100 mm |
| Engine Stroke Size | 75 mm | 76 mm |
| Engine Compression Ratio | 10.5:1 | 11.8:1 |
| Top Speed | 232 km/hour | 288 km/hour |
| Acceleration 0-100mph | 8.2 seconds | 4.9 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 | 1656 kg | 1475 kg |
| Vehicle Length | 4810 mm | 4430 mm |
| Vehicle Width | 1810 mm | 1860 mm |
| Vehicle Height | 1450 mm | 1310 mm |
| Wheelbase Size | 2730 mm | 2360 mm |
| Fuel Consumption | 7.7 L/100km | 9.1 L/100km |
| Fuel Consumption City | 13.4 L/100km | 13.1 L/100km |
| Fuel Consumption Overall | 9.8 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 70 L | 67 L |
