2008 Porsche 911 vs. 2009 Audi A5
To start off, 2009 Audi A5 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Porsche 911. In addition, the cost of maintenance, including insurance, on 2008 Porsche 911 would be higher. At 3,596 cc (6 cylinders), 2008 Porsche 911 is equipped with a bigger engine. In terms of performance, 2008 Porsche 911 (350 HP @ 6800 RPM) has 113 more horse power than 2009 Audi A5. (237 HP @ 4000 RPM). In normal driving conditions, 2008 Porsche 911 should accelerate faster than 2009 Audi A5. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A5 weights approximately 185 kg more than 2008 Porsche 911.
Because 2009 Audi A5 is four wheel drive (4WD), it will have significant more traction and grip than 2008 Porsche 911. In wet, icy, snow, or gravel driving conditions, 2009 Audi A5 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 A5 (500 Nm @ 1500 RPM) has 130 more torque (in Nm) than 2008 Porsche 911. (370 Nm @ 4250 RPM). This means 2009 Audi A5 will have an easier job in driving up hills or pulling heavy equipment than 2008 Porsche 911. 2009 Audi A5 has automatic transmission and 2008 Porsche 911 has manual transmission. 2008 Porsche 911 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi A5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Porsche 911 | 2009 Audi A5 | |
| Make | Porsche | Audi |
| Model | 911 | A5 |
| Year Released | 2008 | 2009 |
| Body Type | Convertible | Coupe |
| Engine Position | Rear | Front |
| Engine Size | 3596 cc | 2965 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | boxer | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 350 HP | 237 HP |
| Engine RPM | 6800 RPM | 4000 RPM |
| Torque | 370 Nm | 500 Nm |
| Torque RPM | 4250 RPM | 1500 RPM |
| Engine Compression Ratio | 11.3:1 | 16.8:1 |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 280 km/hour | 250 km/hour |
| Acceleration 0-100mph | 5.2 seconds | 5.9 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1425 kg | 1610 kg |
| Vehicle Length | 4790 mm | 4630 mm |
| Vehicle Width | 1780 mm | 1860 mm |
| Vehicle Height | 1310 mm | 1380 mm |
| Wheelbase Size | 2360 mm | 2760 mm |
| Fuel Consumption Overall | 11 L/100km | 6.6 L/100km |
| Fuel Tank Capacity | 64 L | 64 L |
