2009 Audi A8 vs. 2007 Porsche 911
To start off, 2009 Audi A8 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Porsche 911. In addition, the cost of maintenance, including insurance, on 2007 Porsche 911 would be higher. At 3,596 cc (6 cylinders), 2007 Porsche 911 is equipped with a bigger engine. In terms of performance, 2007 Porsche 911 (325 HP @ 6800 RPM) has 108 more horse power than 2009 Audi A8. (217 HP @ 6300 RPM) In normal driving conditions, 2007 Porsche 911 should accelerate faster than 2009 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2007 Porsche 911 weights approximately 65 kg more than 2009 Audi A8. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Porsche 911 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2007 Porsche 911. However, in wet, icy, snow, or gravel driving conditions, 2009 Audi A8, being front wheel drive (FWD), will offer much better control with better grip. 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, 2007 Porsche 911 (370 Nm @ 4250 RPM) has 70 more torque (in Nm) than 2009 Audi A8. (300 Nm @ 8200 RPM). This means 2007 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A8.
Compare all specifications:
| 2009 Audi A8 | 2007 Porsche 911 | |
| Make | Audi | Porsche |
| Model | A8 | 911 |
| Year Released | 2009 | 2007 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 2975 cc | 3596 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 217 HP | 325 HP |
| Engine RPM | 6300 RPM | 6800 RPM |
| Torque | 300 Nm | 370 Nm |
| Torque RPM | 8200 RPM | 4250 RPM |
| Engine Bore Size | 82.5 mm | 96 mm |
| Engine Stroke Size | 92.8 mm | 83 mm |
| Engine Compression Ratio | 11.0:1 | 11.3:1 |
| Top Speed | 242 km/hour | 285 km/hour |
| Acceleration 0-100mph | 8.3 seconds | 5 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1670 kg | 1735 kg |
| Vehicle Length | 5190 mm | 4470 mm |
| Vehicle Width | 1900 mm | 1810 mm |
| Vehicle Height | 1460 mm | 1320 mm |
| Wheelbase Size | 3080 mm | 2360 mm |
| Fuel Consumption Overall | 9.6 L/100km | 11.4 L/100km |
| Fuel Tank Capacity | 90 L | 64 L |
