1991 BMW 525 vs. 2009 Porsche Cayenne
To start off, 2009 Porsche Cayenne is newer by 18 year(s). Which means there will be less support and parts availability for 1991 BMW 525. In addition, the cost of maintenance, including insurance, on 1991 BMW 525 would be higher. At 3,597 cc (6 cylinders), 2009 Porsche Cayenne is equipped with a bigger engine. In terms of performance, 2009 Porsche Cayenne (286 HP @ 6200 RPM) has 143 more horse power than 1991 BMW 525. (143 HP @ 4800 RPM) In normal driving conditions, 2009 Porsche Cayenne should accelerate faster than 1991 BMW 525.
Because 2009 Porsche Cayenne is four wheel drive (4WD), it will have significant more traction and grip than 1991 BMW 525. In wet, icy, snow, or gravel driving conditions, 2009 Porsche Cayenne 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, 2009 Porsche Cayenne (385 Nm @ 3000 RPM) has 125 more torque (in Nm) than 1991 BMW 525. (260 Nm @ 2200 RPM). This means 2009 Porsche Cayenne will have an easier job in driving up hills or pulling heavy equipment than 1991 BMW 525. 2009 Porsche Cayenne has automatic transmission and 1991 BMW 525 has manual transmission. 1991 BMW 525 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Porsche Cayenne will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 BMW 525 | 2009 Porsche Cayenne | |
| Make | BMW | Porsche |
| Model | 525 | Cayenne |
| Year Released | 1991 | 2009 |
| Body Type | Station Wagon | SUV |
| Engine Position | Front | Front |
| Engine Size | 2496 cc | 3597 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 143 HP | 286 HP |
| Engine RPM | 4800 RPM | 6200 RPM |
| Torque | 260 Nm | 385 Nm |
| Torque RPM | 2200 RPM | 3000 RPM |
| Engine Bore Size | 80 mm | 89 mm |
| Engine Stroke Size | 83 mm | 96.4 mm |
| Engine Compression Ratio | 22.0:1 | 12.3:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 199 km/hour | 227 km/hour |
| Acceleration 0-100mph | 11.6 seconds | 8.5 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Length | 4730 mm | 4800 mm |
| Vehicle Width | 1760 mm | 1710 mm |
| Vehicle Height | 1420 mm | 1930 mm |
| Wheelbase Size | 2770 mm | 2860 mm |
| Fuel Tank Capacity | 80 L | 100 L |
