2009 Audi A8 vs. 2001 Porsche 911
To start off, 2009 Audi A8 is newer by 8 year(s). Which means there will be less support and parts availability for 2001 Porsche 911. In addition, the cost of maintenance, including insurance, on 2001 Porsche 911 would be higher. At 5,998 cc, 2009 Audi A8 is equipped with a bigger engine. In terms of performance, 2009 Audi A8 (444 HP @ 6200 RPM) has 129 more horse power than 2001 Porsche 911. (315 HP @ 6800 RPM). In normal driving conditions, 2009 Audi A8 should accelerate faster than 2001 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A8 weights approximately 595 kg more than 2001 Porsche 911. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2001 Porsche 911. 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 (580 Nm @ 4000 RPM) has 210 more torque (in Nm) than 2001 Porsche 911. (370 Nm @ 4250 RPM). This means 2009 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2001 Porsche 911.
Compare all specifications:
| 2009 Audi A8 | 2001 Porsche 911 | |
| Make | Audi | Porsche |
| Model | A8 | 911 |
| Year Released | 2009 | 2001 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 5998 cc | 3596 cc |
| Engine Type | W | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 444 HP | 315 HP |
| Engine RPM | 6200 RPM | 6800 RPM |
| Torque | 580 Nm | 370 Nm |
| Torque RPM | 4000 RPM | 4250 RPM |
| Engine Compression Ratio | 11.0:1 | 11.3:1 |
| Top Speed | 245 km/hour | 280 km/hour |
| Acceleration 0-100mph | 5.1 seconds | 5.8 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1995 kg | 1400 kg |
| Vehicle Length | 5070 mm | 4440 mm |
| Vehicle Width | 1900 mm | 1780 mm |
| Vehicle Height | 1450 mm | 1310 mm |
| Wheelbase Size | 3080 mm | 2360 mm |
| Fuel Tank Capacity | 90 L | 64 L |
