1990 BMW 525 vs. 2005 Porsche 911
To start off, 2005 Porsche 911 is newer by 15 year(s). Which means there will be less support and parts availability for 1990 BMW 525. In addition, the cost of maintenance, including insurance, on 1990 BMW 525 would be higher. At 3,596 cc (6 cylinders), 2005 Porsche 911 is equipped with a bigger engine. In terms of performance, 2005 Porsche 911 (315 HP @ 6800 RPM) has 130 more horse power than 1990 BMW 525. (185 HP @ 5900 RPM) In normal driving conditions, 2005 Porsche 911 should accelerate faster than 1990 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 1990 BMW 525 weights approximately 10 kg more than 2005 Porsche 911.
Because 2005 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 1990 BMW 525. 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 (370 Nm @ 4250 RPM) has 130 more torque (in Nm) than 1990 BMW 525. (240 Nm @ 4700 RPM). This means 2005 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1990 BMW 525.
Compare all specifications:
| 1990 BMW 525 | 2005 Porsche 911 | |
| Make | BMW | Porsche |
| Model | 525 | 911 |
| Year Released | 1990 | 2005 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 2494 cc | 3596 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 185 HP | 315 HP |
| Engine RPM | 5900 RPM | 6800 RPM |
| Torque | 240 Nm | 370 Nm |
| Torque RPM | 4700 RPM | 4250 RPM |
| Engine Bore Size | 84 mm | 96 mm |
| Engine Stroke Size | 75 mm | 82.8 mm |
| Engine Compression Ratio | 10.0:1 | 11.3:1 |
| Top Speed | 224 km/hour | 280 km/hour |
| Acceleration 0-100mph | 9.2 seconds | 5.3 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1575 kg | 1565 kg |
| Vehicle Length | 4730 mm | 4440 mm |
| Vehicle Width | 1760 mm | 1840 mm |
| Vehicle Height | 1420 mm | 1300 mm |
| Wheelbase Size | 2770 mm | 2360 mm |
