2005 BMW 318 vs. 2008 Porsche Cayenne
To start off, 2008 Porsche Cayenne is newer by 3 year(s). Which means there will be less support and parts availability for 2005 BMW 318. In addition, the cost of maintenance, including insurance, on 2005 BMW 318 would be higher. At 4,511 cc (8 cylinders), 2008 Porsche Cayenne is equipped with a bigger engine. In terms of performance, 2008 Porsche Cayenne (350 HP @ 6000 RPM) has 237 more horse power than 2005 BMW 318. (113 HP @ 4000 RPM) In normal driving conditions, 2008 Porsche Cayenne should accelerate faster than 2005 BMW 318. With that said, vehicle weight also plays an important factor in acceleration. 2008 Porsche Cayenne weights approximately 850 kg more than 2005 BMW 318. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Porsche Cayenne is four wheel drive (4WD), it will have significant more traction and grip than 2005 BMW 318. 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 (420 Nm @ 2500 RPM) has 140 more torque (in Nm) than 2005 BMW 318. (280 Nm @ 1750 RPM). This means 2008 Porsche Cayenne will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 318.
Compare all specifications:
| 2005 BMW 318 | 2008 Porsche Cayenne | |
| Make | BMW | Porsche |
| Model | 318 | Cayenne |
| Year Released | 2005 | 2008 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 4511 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 113 HP | 350 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 280 Nm | 420 Nm |
| Torque RPM | 1750 RPM | 2500 RPM |
| Engine Bore Size | 84 mm | 93 mm |
| Engine Stroke Size | 90 mm | 83 mm |
| Engine Compression Ratio | 17.0:1 | 11.5:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 204 km/hour | 242 km/hour |
| Acceleration 0-100mph | 10.6 seconds | 6.8 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1470 kg | 2320 kg |
| Vehicle Length | 4480 mm | 4790 mm |
| Vehicle Width | 1750 mm | 1930 mm |
| Vehicle Height | 1420 mm | 1710 mm |
| Wheelbase Size | 2730 mm | 2860 mm |
| Fuel Consumption Overall | 5.8 L/100km | 16 L/100km |
| Fuel Tank Capacity | 63 L | 100 L |
