2007 BMW 745 vs. 2009 Porsche Cayenne
To start off, 2009 Porsche Cayenne is newer by 2 year(s). Which means there will be less support and parts availability for 2007 BMW 745. In addition, the cost of maintenance, including insurance, on 2007 BMW 745 would be higher. At 4,806 cc (8 cylinders), 2009 Porsche Cayenne is equipped with a bigger engine. In terms of performance, 2009 Porsche Cayenne (494 HP @ 6000 RPM) has 168 more horse power than 2007 BMW 745. (326 HP @ 3800 RPM) In normal driving conditions, 2009 Porsche Cayenne should accelerate faster than 2007 BMW 745. With that said, vehicle weight also plays an important factor in acceleration. 2009 Porsche Cayenne weights approximately 315 kg more than 2007 BMW 745. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Porsche Cayenne is four wheel drive (4WD), it will have significant more traction and grip than 2007 BMW 745. 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, both vehicles can yield 700 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles.
Compare all specifications:
| 2007 BMW 745 | 2009 Porsche Cayenne | |
| Make | BMW | Porsche |
| Model | 745 | Cayenne |
| Year Released | 2007 | 2009 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4423 cc | 4806 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 326 HP | 494 HP |
| Engine RPM | 3800 RPM | 6000 RPM |
| Torque | 700 Nm | 700 Nm |
| Torque RPM | 1900 RPM | 4500 RPM |
| Engine Bore Size | 87 mm | 96 mm |
| Engine Stroke Size | 93 mm | 83 mm |
| Engine Compression Ratio | 17.0:1 | 10.5:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 250 km/hour | 275 km/hour |
| Acceleration 0-100mph | 6.6 seconds | 5.1 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 2115 kg | 2430 kg |
| Vehicle Length | 5050 mm | 4800 mm |
| Vehicle Width | 1910 mm | 1700 mm |
| Vehicle Height | 1500 mm | 1930 mm |
| Wheelbase Size | 3000 mm | 2860 mm |
| Fuel Consumption Overall | 9.5 L/100km | 14.9 L/100km |
| Fuel Tank Capacity | 88 L | 100 L |
