2008 Audi A8 vs. 2009 Porsche 911
To start off, 2009 Porsche 911 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Audi A8. In addition, the cost of maintenance, including insurance, on 2008 Audi A8 would be higher. At 3,596 cc (6 cylinders), 2009 Porsche 911 is equipped with a bigger engine. In terms of performance, 2009 Porsche 911 (316 HP @ 4250 RPM) has 99 more horse power than 2008 Audi A8. (217 HP @ 6300 RPM) In normal driving conditions, 2009 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 140 kg more than 2009 Porsche 911.
Because 2009 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 2008 Audi A8. In wet, icy, snow, or gravel driving conditions, 2009 Porsche 911 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 Porsche 911 (371 Nm @ 4250 RPM) has 71 more torque (in Nm) than 2008 Audi A8. (300 Nm @ 8200 RPM). This means 2009 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A8. 2009 Porsche 911 has automatic transmission and 2008 Audi A8 has manual transmission. 2008 Audi A8 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Porsche 911 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Audi A8 | 2009 Porsche 911 | |
| Make | Audi | Porsche |
| Model | A8 | 911 |
| Year Released | 2008 | 2009 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 2976 cc | 3596 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 217 HP | 316 HP |
| Engine RPM | 6300 RPM | 4250 RPM |
| Torque | 300 Nm | 371 Nm |
| Torque RPM | 8200 RPM | 4250 RPM |
| Engine Bore Size | 82.5 mm | 96 mm |
| Engine Stroke Size | 92.8 mm | 82.8 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 242 km/hour | 280 km/hour |
| Acceleration 0-100mph | 8.3 seconds | 5.1 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1670 kg | 1530 kg |
| Vehicle Length | 5190 mm | 4430 mm |
| Vehicle Width | 1900 mm | 1310 mm |
| Vehicle Height | 1460 mm | 1860 mm |
| Wheelbase Size | 3080 mm | 2360 mm |
| Fuel Consumption Overall | 9.6 L/100km | 11.9 L/100km |
| Fuel Tank Capacity | 90 L | 64 L |
