2008 Audi A5 vs. 2004 Porsche 911
To start off, 2008 Audi A5 is newer by 4 year(s). Which means there will be less support and parts availability for 2004 Porsche 911. In addition, the cost of maintenance, including insurance, on 2004 Porsche 911 would be higher. At 4,163 cc (8 cylinders), 2008 Audi A5 is equipped with a bigger engine. In terms of performance, 2008 Audi A5 (349 HP @ 7000 RPM) has 9 more horse power than 2004 Porsche 911. (340 HP @ 6000 RPM). In normal driving conditions, 2008 Audi A5 should accelerate faster than 2004 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A5 weights approximately 288 kg more than 2004 Porsche 911. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2008 Audi A5 (440 Nm) has 70 more torque (in Nm) than 2004 Porsche 911. (370 Nm). This means 2008 Audi A5 will have an easier job in driving up hills or pulling heavy equipment than 2004 Porsche 911.
Compare all specifications:
| 2008 Audi A5 | 2004 Porsche 911 | |
| Make | Audi | Porsche |
| Model | A5 | 911 |
| Year Released | 2008 | 2004 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 4163 cc | 3589 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 349 HP | 340 HP |
| Engine RPM | 7000 RPM | 6000 RPM |
| Torque | 440 Nm | 370 Nm |
| Engine Bore Size | 84.5 mm | 96 mm |
| Engine Stroke Size | 93 mm | 83 mm |
| Engine Compression Ratio | 10.3:1 | 11.3:1 |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1630 kg | 1342 kg |
| Vehicle Length | 4640 mm | 4440 mm |
| Vehicle Width | 1860 mm | 1780 mm |
| Vehicle Height | 1380 mm | 1310 mm |
| Wheelbase Size | 2760 mm | 2360 mm |
| Fuel Consumption Overall | 12.6 L/100km | 11.4 L/100km |
| Fuel Tank Capacity | 64 L | 64 L |
