2008 Audi A8 vs. 2004 Porsche 911
To start off, 2008 Audi A8 is newer by 4 year(s). Which means there will be less support and parts availability for 2004 Porsche 911. In addition, the cost of maintenance, including insurance, on 2004 Porsche 911 would be higher. At 4,172 cc (8 cylinders), 2008 Audi A8 is equipped with a bigger engine. In terms of performance, 2004 Porsche 911 (444 HP @ 5700 RPM) has 114 more horse power than 2008 Audi A8. (330 HP @ 6500 RPM) In normal driving conditions, 2004 Porsche 911 should accelerate faster than 2008 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A8 weights approximately 320 kg more than 2004 Porsche 911.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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, 2004 Porsche 911 (620 Nm @ 3500 RPM) has 189 more torque (in Nm) than 2008 Audi A8. (431 Nm @ 3500 RPM). This means 2004 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A8. 2008 Audi A8 has automatic transmission and 2004 Porsche 911 has manual transmission. 2004 Porsche 911 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 | 2004 Porsche 911 | |
| Make | Audi | Porsche |
| Model | A8 | 911 |
| Year Released | 2008 | 2004 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 4172 cc | 3600 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 330 HP | 444 HP |
| Engine RPM | 6500 RPM | 5700 RPM |
| Torque | 431 Nm | 620 Nm |
| Torque RPM | 3500 RPM | 3500 RPM |
| Engine Bore Size | 84.5 mm | 100.1 mm |
| Engine Stroke Size | 93 mm | 76.4 mm |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 6.4 seconds | 4.2 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1910 kg | 1590 kg |
| Vehicle Length | 5190 mm | 4440 mm |
| Vehicle Width | 1900 mm | 1840 mm |
| Vehicle Height | 1460 mm | 1300 mm |
| Wheelbase Size | 3080 mm | 2360 mm |
| Fuel Consumption Overall | 11.9 L/100km | 13.3 L/100km |
| Fuel Tank Capacity | 90 L | 64 L |
