2009 Audi A8 vs. 2006 Porsche Cayman
To start off, 2009 Audi A8 is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Porsche Cayman. In addition, the cost of maintenance, including insurance, on 2006 Porsche Cayman would be higher. At 3,936 cc (8 cylinders), 2009 Audi A8 is equipped with a bigger engine. In terms of performance, 2006 Porsche Cayman (295 HP @ 6250 RPM) has 23 more horse power than 2009 Audi A8. (272 HP @ 3750 RPM) In normal driving conditions, 2006 Porsche Cayman should accelerate faster than 2009 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A8 weights approximately 525 kg more than 2006 Porsche Cayman.
Because 2009 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2006 Porsche Cayman. In wet, icy, snow, or gravel driving conditions, 2009 Audi A8 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, 2009 Audi A8 (650 Nm @ 1800 RPM) has 310 more torque (in Nm) than 2006 Porsche Cayman. (340 Nm @ 4400 RPM). This means 2009 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2006 Porsche Cayman. 2009 Audi A8 has automatic transmission and 2006 Porsche Cayman has manual transmission. 2006 Porsche Cayman will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi A8 | 2006 Porsche Cayman | |
| Make | Audi | Porsche |
| Model | A8 | Cayman |
| Year Released | 2009 | 2006 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 3936 cc | 3392 cc |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 272 HP | 295 HP |
| Engine RPM | 3750 RPM | 6250 RPM |
| Torque | 650 Nm | 340 Nm |
| Torque RPM | 1800 RPM | 4400 RPM |
| Engine Bore Size | 81 mm | 96 mm |
| Engine Stroke Size | 95.5 mm | 78 mm |
| Engine Compression Ratio | 18.0:1 | 11.1:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 250 km/hour | 275 km/hour |
| Acceleration 0-100mph | 6.8 seconds | 5.7 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1940 kg | 1415 kg |
| Vehicle Length | 5190 mm | 4380 mm |
| Vehicle Width | 1900 mm | 1810 mm |
| Vehicle Height | 1460 mm | 1310 mm |
| Wheelbase Size | 3080 mm | 2420 mm |
| Fuel Consumption Overall | 9.6 L/100km | 10.6 L/100km |
| Fuel Tank Capacity | 90 L | 74 L |
