2009 Audi A5 vs. 2009 Porsche 911
To start off, both 2009 Audi A5 and 2009 Porsche 911 were released in the same year (2009). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 3,824 cc (6 cylinders), 2009 Porsche 911 is equipped with a bigger engine. In terms of performance, 2009 Porsche 911 (351 HP @ 6600 RPM) has 183 more horse power than 2009 Audi A5. (168 HP @ 4800 RPM) In normal driving conditions, 2009 Porsche 911 should accelerate faster than 2009 Audi A5. With that said, vehicle weight also plays an important factor in acceleration. 2009 Porsche 911 weights approximately 30 kg more than 2009 Audi A5. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Audi A5. 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 (400 Nm @ 4600 RPM) has 150 more torque (in Nm) than 2009 Audi A5. (250 Nm @ 1500 RPM). This means 2009 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A5.
Compare all specifications:
| 2009 Audi A5 | 2009 Porsche 911 | |
| Make | Audi | Porsche |
| Model | A5 | 911 |
| Year Released | 2009 | 2009 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 1798 cc | 3824 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 168 HP | 351 HP |
| Engine RPM | 4800 RPM | 6600 RPM |
| Torque | 250 Nm | 400 Nm |
| Torque RPM | 1500 RPM | 4600 RPM |
| Engine Bore Size | 82.6 mm | 96 mm |
| Engine Stroke Size | 84.1 mm | 82.8 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Acceleration 0-100mph | 8.4 seconds | 4.9 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1395 kg | 1425 kg |
| Vehicle Length | 4630 mm | 4430 mm |
| Vehicle Width | 1860 mm | 1310 mm |
| Vehicle Height | 1380 mm | 1860 mm |
| Wheelbase Size | 2760 mm | 2360 mm |
| Fuel Consumption Overall | 7.1 L/100km | 8.5 L/100km |
| Fuel Tank Capacity | 65 L | 67 L |
