2008 Audi A8 vs. 2005 Porsche 996
To start off, 2008 Audi A8 is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Porsche 996. In addition, the cost of maintenance, including insurance, on 2005 Porsche 996 would be higher. At 4,172 cc (8 cylinders), 2008 Audi A8 is equipped with a bigger engine. In terms of performance, 2005 Porsche 996 (376 HP @ 7400 RPM) has 46 more horse power than 2008 Audi A8. (330 HP @ 6500 RPM) In normal driving conditions, 2005 Porsche 996 should accelerate faster than 2008 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A8 weights approximately 530 kg more than 2005 Porsche 996.
Because 2008 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Porsche 996. In wet, icy, snow, or gravel driving conditions, 2008 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, 2008 Audi A8 (431 Nm @ 3500 RPM) has 45 more torque (in Nm) than 2005 Porsche 996. (386 Nm @ 5000 RPM). This means 2008 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2005 Porsche 996. 2008 Audi A8 has automatic transmission and 2005 Porsche 996 has manual transmission. 2005 Porsche 996 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Audi A8 | 2005 Porsche 996 | |
| Make | Audi | Porsche |
| Model | A8 | 996 |
| Year Released | 2008 | 2005 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 4172 cc | 3600 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 330 HP | 376 HP |
| Engine RPM | 6500 RPM | 7400 RPM |
| Torque | 431 Nm | 386 Nm |
| Torque RPM | 3500 RPM | 5000 RPM |
| Engine Bore Size | 84.5 mm | 100 mm |
| Engine Stroke Size | 93 mm | 76.4 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1910 kg | 1380 kg |
| Vehicle Length | 5190 mm | 4440 mm |
| Vehicle Width | 1900 mm | 1770 mm |
| Vehicle Height | 1460 mm | 1310 mm |
| Wheelbase Size | 3080 mm | 2360 mm |
| Fuel Tank Capacity | 90 L | 89 L |
