2008 Audi A8 vs. 2009 Porsche Cayman
To start off, 2009 Porsche Cayman is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Audi A8. In addition, the cost of maintenance, including insurance, on 2008 Audi A8 would be higher. At 3,385 cc, 2009 Porsche Cayman is equipped with a bigger engine. In terms of performance, 2009 Porsche Cayman (291 HP @ 6250 RPM) has 74 more horse power than 2008 Audi A8. (217 HP @ 6300 RPM) In normal driving conditions, 2009 Porsche Cayman should accelerate faster than 2008 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A8 weights approximately 245 kg more than 2009 Porsche Cayman.
Because 2009 Porsche Cayman is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2009 Porsche Cayman. However, in wet, icy, snow, or gravel driving conditions, 2008 Audi A8, being front wheel drive (FWD), will offer much better control with better grip. 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, 2009 Porsche Cayman (340 Nm @ 4400 RPM) has 40 more torque (in Nm) than 2008 Audi A8. (300 Nm @ 8200 RPM). This means 2009 Porsche Cayman will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A8.
Compare all specifications:
| 2008 Audi A8 | 2009 Porsche Cayman | |
| Make | Audi | Porsche |
| Model | A8 | Cayman |
| Year Released | 2008 | 2009 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 2976 cc | 3385 cc |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 217 HP | 291 HP |
| Engine RPM | 6300 RPM | 6250 RPM |
| Torque | 300 Nm | 340 Nm |
| Torque RPM | 8200 RPM | 4400 RPM |
| Engine Bore Size | 82.5 mm | 96.3 mm |
| Engine Stroke Size | 92.8 mm | 78.3 mm |
| Engine Compression Ratio | 11.0:1 | 11.1:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 242 km/hour | 275 km/hour |
| Acceleration 0-100mph | 8.3 seconds | 5.3 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1670 kg | 1425 kg |
| Vehicle Length | 5190 mm | 4350 mm |
| Vehicle Width | 1900 mm | 1310 mm |
| Vehicle Height | 1460 mm | 1810 mm |
| Wheelbase Size | 3080 mm | 2420 mm |
| Fuel Consumption Overall | 9.6 L/100km | 10.6 L/100km |
| Fuel Tank Capacity | 90 L | 64 L |
