1981 BMW 725 vs. 2008 Porsche Cayenne
To start off, 2008 Porsche Cayenne is newer by 27 year(s). Which means there will be less support and parts availability for 1981 BMW 725. In addition, the cost of maintenance, including insurance, on 1981 BMW 725 would be higher. At 4,800 cc (8 cylinders), 2008 Porsche Cayenne is equipped with a bigger engine. In terms of performance, 2008 Porsche Cayenne (405 HP @ 6500 RPM) has 257 more horse power than 1981 BMW 725. (148 HP @ 5500 RPM) In normal driving conditions, 2008 Porsche Cayenne should accelerate faster than 1981 BMW 725.
Because 2008 Porsche Cayenne is four wheel drive (4WD), it will have significant more traction and grip than 1981 BMW 725. In wet, icy, snow, or gravel driving conditions, 2008 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, 2008 Porsche Cayenne (678 Nm @ 3500 RPM) has 463 more torque (in Nm) than 1981 BMW 725. (215 Nm @ 4000 RPM). This means 2008 Porsche Cayenne will have an easier job in driving up hills or pulling heavy equipment than 1981 BMW 725.
Compare all specifications:
1981 BMW 725 | 2008 Porsche Cayenne | |
Make | BMW | Porsche |
Model | 725 | Cayenne |
Year Released | 1981 | 2008 |
Body Type | Sedan | SUV |
Engine Position | Front | Front |
Engine Size | 2493 cc | 4800 cc |
Engine Cylinders | 6 cylinders | 8 cylinders |
Engine Type | in-line | V |
Horse Power | 148 HP | 405 HP |
Engine RPM | 5500 RPM | 6500 RPM |
Torque | 215 Nm | 678 Nm |
Torque RPM | 4000 RPM | 3500 RPM |
Engine Bore Size | 86 mm | 96 mm |
Engine Stroke Size | 71.6 mm | 83 mm |
Engine Compression Ratio | 9.6:1 | 12.5:1 |
Fuel Type | Gasoline | Gasoline |
Drive Type | Rear | 4WD |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 5 doors |
Vehicle Length | 4870 mm | 4790 mm |
Vehicle Width | 1810 mm | 1930 mm |
Vehicle Height | 1440 mm | 1710 mm |
Wheelbase Size | 2810 mm | 2860 mm |