2007 BMW 523 vs. 2001 Porsche 911
To start off, 2007 BMW 523 is newer by 6 year(s). Which means there will be less support and parts availability for 2001 Porsche 911. In addition, the cost of maintenance, including insurance, on 2001 Porsche 911 would be higher. At 3,596 cc (6 cylinders), 2001 Porsche 911 is equipped with a bigger engine. In terms of performance, 2001 Porsche 911 (315 HP @ 6800 RPM) has 140 more horse power than 2007 BMW 523. (175 HP @ 5800 RPM) In normal driving conditions, 2001 Porsche 911 should accelerate faster than 2007 BMW 523. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 523 weights approximately 5 kg more than 2001 Porsche 911.
Because 2001 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 2007 BMW 523. In wet, icy, snow, or gravel driving conditions, 2001 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, 2001 Porsche 911 (371 Nm @ 4250 RPM) has 141 more torque (in Nm) than 2007 BMW 523. (230 Nm @ 3500 RPM). This means 2001 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 523.
Compare all specifications:
| 2007 BMW 523 | 2001 Porsche 911 | |
| Make | BMW | Porsche |
| Model | 523 | 911 |
| Year Released | 2007 | 2001 |
| Engine Position | Front | Rear |
| Engine Size | 2497 cc | 3596 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 175 HP | 315 HP |
| Engine RPM | 5800 RPM | 6800 RPM |
| Torque | 230 Nm | 371 Nm |
| Torque RPM | 3500 RPM | 4250 RPM |
| Engine Bore Size | 82.1 mm | 96 mm |
| Engine Stroke Size | 78.8 mm | 82.8 mm |
| Acceleration 0-100mph | 8.5 seconds | 5.2 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 | 1490 kg | 1485 kg |
| Vehicle Width | 1470 mm | 1770 mm |
| Vehicle Height | 1850 mm | 1320 mm |
| Wheelbase Size | 2890 mm | 2360 mm |
| Fuel Tank Capacity | 70 L | 64 L |
