1981 BMW 745 vs. 2013 Porsche Cayenne
To start off, 2013 Porsche Cayenne is newer by 32 year(s). Which means there will be less support and parts availability for 1981 BMW 745. In addition, the cost of maintenance, including insurance, on 1981 BMW 745 would be higher. At 4,800 cc (8 cylinders), 2013 Porsche Cayenne is equipped with a bigger engine. In terms of performance, 2013 Porsche Cayenne (493 HP @ 6000 RPM) has 241 more horse power than 1981 BMW 745. (252 HP @ 5200 RPM) In normal driving conditions, 2013 Porsche Cayenne should accelerate faster than 1981 BMW 745. With that said, vehicle weight also plays an important factor in acceleration. 2013 Porsche Cayenne weights approximately 655 kg more than 1981 BMW 745. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2013 Porsche Cayenne is all wheel drive (AWD), it will have significant more traction and grip than 1981 BMW 745. In wet, icy, snow, or gravel driving conditions, 2013 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, 2013 Porsche Cayenne (700 Nm @ 4500 RPM) has 320 more torque (in Nm) than 1981 BMW 745. (380 Nm @ 2200 RPM). This means 2013 Porsche Cayenne will have an easier job in driving up hills or pulling heavy equipment than 1981 BMW 745.
Compare all specifications:
1981 BMW 745 | 2013 Porsche Cayenne | |
Make | BMW | Porsche |
Model | 745 | Cayenne |
Year Released | 1981 | 2013 |
Body Type | Sedan | SUV |
Engine Position | Front | Rear |
Engine Size | 3430 cc | 4800 cc |
Engine Cylinders | 6 cylinders | 8 cylinders |
Engine Type | in-line | boxer |
Horse Power | 252 HP | 493 HP |
Engine RPM | 5200 RPM | 6000 RPM |
Torque | 380 Nm | 700 Nm |
Torque RPM | 2200 RPM | 4500 RPM |
Engine Bore Size | 92 mm | 96 mm |
Engine Stroke Size | 86 mm | 83 mm |
Engine Compression Ratio | 8.0:1 | 10.5 : 1 |
Top Speed | 220 km/hour | 278 km/hour |
Drive Type | Rear | AWD |
Transmission Type | Manual | 6-speed manual |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 4 doors |
Vehicle Weight | 1590 kg | 2245 kg |
Vehicle Length | 4870 mm | 4846 mm |
Vehicle Width | 1810 mm | 2154 mm |
Vehicle Height | 1440 mm | 1702 mm |
Wheelbase Size | 2800 mm | 2895 mm |