2004 Audi A8 vs. 2013 Porsche 911
To start off, 2013 Porsche 911 is newer by 9 year(s). Which means there will be less support and parts availability for 2004 Audi A8. In addition, the cost of maintenance, including insurance, on 2004 Audi A8 would be higher. At 3,800 cc (6 cylinders), 2013 Porsche 911 is equipped with a bigger engine. In terms of performance, 2013 Porsche 911 (523 HP @ 6250 RPM) has 293 more horse power than 2004 Audi A8. (230 HP @ 4000 RPM) In normal driving conditions, 2013 Porsche 911 should accelerate faster than 2004 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A8 weights approximately 166 kg more than 2013 Porsche 911.
Because 2004 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2013 Porsche 911. In wet, icy, snow, or gravel driving conditions, 2004 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, 2013 Porsche 911 (700 Nm @ 4250 RPM) has 250 more torque (in Nm) than 2004 Audi A8. (450 Nm @ 1400 RPM). This means 2013 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A8.
Compare all specifications:
| 2004 Audi A8 | 2013 Porsche 911 | |
| Make | Audi | Porsche |
| Model | A8 | 911 |
| Year Released | 2004 | 2013 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2966 cc | 3800 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 230 HP | 523 HP |
| Engine RPM | 4000 RPM | 6250 RPM |
| Torque | 450 Nm | 700 Nm |
| Torque RPM | 1400 RPM | 4250 RPM |
| Engine Bore Size | 83 mm | 102 mm |
| Engine Stroke Size | 91.4 mm | 77 mm |
| Engine Compression Ratio | 17.0:1 | 9.8 : 1 |
| Fuel Type | Diesel | Diesel |
| Acceleration 0-100mph | 7.8 seconds | 3.4 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1830 kg | 1664 kg |
| Vehicle Length | 5060 mm | 4477 mm |
| Vehicle Width | 1900 mm | 1852 mm |
| Vehicle Height | 1450 mm | 1300 mm |
| Wheelbase Size | 2950 mm | 2350 mm |
