2008 Audi A4 vs. 2005 Porsche 911
To start off, 2008 Audi A4 is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Porsche 911. In addition, the cost of maintenance, including insurance, on 2005 Porsche 911 would be higher. At 3,818 cc (6 cylinders), 2005 Porsche 911 is equipped with a bigger engine. In terms of performance, 2005 Porsche 911 (355 HP @ 6800 RPM) has 158 more horse power than 2008 Audi A4. (197 HP @ 5100 RPM) In normal driving conditions, 2005 Porsche 911 should accelerate faster than 2008 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Porsche 911 weights approximately 10 kg more than 2008 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Porsche 911. In wet, icy, snow, or gravel driving conditions, 2008 Audi A4 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, 2005 Porsche 911 (385 Nm @ 4600 RPM) has 105 more torque (in Nm) than 2008 Audi A4. (280 Nm @ 1800 RPM). This means 2005 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A4.
Compare all specifications:
| 2008 Audi A4 | 2005 Porsche 911 | |
| Make | Audi | Porsche |
| Model | A4 | 911 |
| Year Released | 2008 | 2005 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 1984 cc | 3818 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 197 HP | 355 HP |
| Engine RPM | 5100 RPM | 6800 RPM |
| Torque | 280 Nm | 385 Nm |
| Torque RPM | 1800 RPM | 4600 RPM |
| Engine Bore Size | 82.6 mm | 99 mm |
| Engine Stroke Size | 92.8 mm | 83 mm |
| Engine Compression Ratio | 10.5:1 | 11.8:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 7.2 seconds | 4.8 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1490 kg | 1500 kg |
| Vehicle Length | 4590 mm | 4430 mm |
| Vehicle Width | 1780 mm | 1810 mm |
| Vehicle Height | 1430 mm | 1310 mm |
| Wheelbase Size | 2650 mm | 2360 mm |
| Fuel Consumption Overall | 8.8 L/100km | 11.6 L/100km |
| Fuel Tank Capacity | 63 L | 64 L |
