2005 Audi A4 vs. 2009 Porsche 911
To start off, 2009 Porsche 911 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Audi A4. In addition, the cost of maintenance, including insurance, on 2005 Audi A4 would be higher. At 3,823 cc (6 cylinders), 2009 Porsche 911 is equipped with a bigger engine. In terms of performance, 2009 Porsche 911 (350 HP @ 6600 RPM) has 133 more horse power than 2005 Audi A4. (217 HP @ 6300 RPM) In normal driving conditions, 2009 Porsche 911 should accelerate faster than 2005 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2009 Porsche 911 weights approximately 550 kg more than 2005 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 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 2009 Porsche 911. However, in wet, icy, snow, or gravel driving conditions, 2005 Audi A4, 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, 2009 Porsche 911 (400 Nm @ 4600 RPM) has 100 more torque (in Nm) than 2005 Audi A4. (300 Nm @ 3200 RPM). This means 2009 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A4. 2005 Audi A4 has automatic transmission and 2009 Porsche 911 has manual transmission. 2009 Porsche 911 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Audi A4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Audi A4 | 2009 Porsche 911 | |
| Make | Audi | Porsche |
| Model | A4 | 911 |
| Year Released | 2005 | 2009 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 2983 cc | 3823 cc |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 217 HP | 350 HP |
| Engine RPM | 6300 RPM | 6600 RPM |
| Torque | 300 Nm | 400 Nm |
| Torque RPM | 3200 RPM | 4600 RPM |
| Top Speed | 229 km/hour | 293 km/hour |
| Acceleration 0-100mph | 7.8 seconds | 4.9 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1880 kg | 2430 kg |
| Wheelbase Size | 2850 mm | 2360 mm |
| Fuel Consumption Overall | 9.7 L/100km | 8.1 L/100km |
| Fuel Tank Capacity | 70 L | 64 L |
