1981 BMW 520 vs. 2005 Porsche Cayenne
To start off, 2005 Porsche Cayenne is newer by 24 year(s). Which means there will be less support and parts availability for 1981 BMW 520. In addition, the cost of maintenance, including insurance, on 1981 BMW 520 would be higher. At 4,507 cc (8 cylinders), 2005 Porsche Cayenne is equipped with a bigger engine. In terms of performance, 2005 Porsche Cayenne (451 HP @ 6000 RPM) has 328 more horse power than 1981 BMW 520. (123 HP @ 5800 RPM) In normal driving conditions, 2005 Porsche Cayenne should accelerate faster than 1981 BMW 520. With that said, vehicle weight also plays an important factor in acceleration. 2005 Porsche Cayenne weights approximately 1210 kg more than 1981 BMW 520. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Porsche Cayenne is four wheel drive (4WD), it will have significant more traction and grip than 1981 BMW 520. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Porsche Cayenne (624 Nm @ 2250 RPM) has 454 more torque (in Nm) than 1981 BMW 520. (170 Nm @ 4000 RPM). This means 2005 Porsche Cayenne will have an easier job in driving up hills or pulling heavy equipment than 1981 BMW 520. 2005 Porsche Cayenne has automatic transmission and 1981 BMW 520 has manual transmission. 1981 BMW 520 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Porsche Cayenne will be easier to drive especially in heavy traffic.
Compare all specifications:
1981 BMW 520 | 2005 Porsche Cayenne | |
Make | BMW | Porsche |
Model | 520 | Cayenne |
Year Released | 1981 | 2005 |
Body Type | Sedan | SUV |
Engine Position | Front | Front |
Engine Size | 1991 cc | 4507 cc |
Engine Cylinders | 6 cylinders | 8 cylinders |
Engine Type | in-line | V |
Horse Power | 123 HP | 451 HP |
Engine RPM | 5800 RPM | 6000 RPM |
Torque | 170 Nm | 624 Nm |
Torque RPM | 4000 RPM | 2250 RPM |
Engine Bore Size | 80 mm | 93 mm |
Engine Stroke Size | 66 mm | 83 mm |
Engine Compression Ratio | 9.8:1 | 9.5:1 |
Top Speed | 185 km/hour | 266 km/hour |
Drive Type | Rear | 4WD |
Transmission Type | Manual | Automatic |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 5 doors |
Vehicle Weight | 1220 kg | 2430 kg |
Vehicle Length | 4630 mm | 4790 mm |
Vehicle Width | 1710 mm | 1930 mm |
Vehicle Height | 1430 mm | 1710 mm |
Wheelbase Size | 2630 mm | 2860 mm |
Fuel Tank Capacity | 70 L | 100 L |