2005 BMW 730 vs. 2006 Porsche Cayenne
To start off, 2006 Porsche Cayenne is newer by 1 year(s). Which means there will be less support and parts availability for 2005 BMW 730. In addition, the cost of maintenance, including insurance, on 2005 BMW 730 would be higher. At 4,511 cc (8 cylinders), 2006 Porsche Cayenne is equipped with a bigger engine. In terms of performance, 2006 Porsche Cayenne (335 HP @ 6000 RPM) has 81 more horse power than 2005 BMW 730. (254 HP @ 6600 RPM) In normal driving conditions, 2006 Porsche Cayenne should accelerate faster than 2005 BMW 730. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 730 weights approximately 555 kg more than 2006 Porsche Cayenne.
Because 2006 Porsche Cayenne is four wheel drive (4WD), it will have significant more traction and grip than 2005 BMW 730. In wet, icy, snow, or gravel driving conditions, 2006 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, 2006 Porsche Cayenne (420 Nm @ 2700 RPM) has 120 more torque (in Nm) than 2005 BMW 730. (300 Nm @ 2500 RPM). This means 2006 Porsche Cayenne will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 730. 2005 BMW 730 has automatic transmission and 2006 Porsche Cayenne has manual transmission. 2006 Porsche Cayenne will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 BMW 730 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 BMW 730 | 2006 Porsche Cayenne | |
| Make | BMW | Porsche |
| Model | 730 | Cayenne |
| Year Released | 2005 | 2006 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2977 cc | 4511 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 254 HP | 335 HP |
| Engine RPM | 6600 RPM | 6000 RPM |
| Torque | 300 Nm | 420 Nm |
| Torque RPM | 2500 RPM | 2700 RPM |
| Engine Bore Size | 85 mm | 98 mm |
| Engine Stroke Size | 88 mm | 76 mm |
| Engine Compression Ratio | 10.7:1 | 11.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 244 km/hour | 242 km/hour |
| Acceleration 0-100mph | 7.8 seconds | 7.1 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1935 kg | 1380 kg |
| Vehicle Length | 5040 mm | 4790 mm |
| Vehicle Width | 1910 mm | 1930 mm |
| Vehicle Height | 1500 mm | 1710 mm |
| Wheelbase Size | 2840 mm | 2860 mm |
| Fuel Consumption | 7.5 L/100km | 13.1 L/100km |
| Fuel Consumption City | 14.6 L/100km | 16.8 L/100km |
| Fuel Consumption Overall | 10.7 L/100km | 15.8 L/100km |
| Fuel Tank Capacity | 88 L | 100 L |
