2009 Audi A5 vs. 2004 Audi A4
To start off, 2009 Audi A5 is newer by 5 year(s). Which means there will be less support and parts availability for 2004 Audi A4. In addition, the cost of maintenance, including insurance, on 2004 Audi A4 would be higher. At 2,981 cc (6 cylinders), 2004 Audi A4 is equipped with a bigger engine. In terms of performance, 2004 Audi A4 (217 HP @ 4000 RPM) has 30 more horse power than 2009 Audi A5. (187 HP @ 3500 RPM) In normal driving conditions, 2004 Audi A4 should accelerate faster than 2009 Audi A5. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A4 weights approximately 155 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.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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 (400 Nm) has 100 more torque (in Nm) than 2004 Audi A4. (300 Nm). This means 2009 Audi A5 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A4.
Compare all specifications:
| 2009 Audi A5 | 2004 Audi A4 | |
| Make | Audi | Audi |
| Model | A5 | A4 |
| Year Released | 2009 | 2004 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2698 cc | 2981 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 187 HP | 217 HP |
| Engine RPM | 3500 RPM | 4000 RPM |
| Torque | 400 Nm | 300 Nm |
| Engine Bore Size | 83 mm | 83 mm |
| Engine Stroke Size | 83.1 mm | 93 mm |
| Engine Compression Ratio | 16.8:1 | 10.1:1 |
| Drive Type | Front | Front |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1575 kg | 1730 kg |
| Vehicle Length | 4630 mm | 4580 mm |
| Vehicle Width | 1860 mm | 1780 mm |
| Vehicle Height | 1380 mm | 1400 mm |
| Wheelbase Size | 2760 mm | 2660 mm |
| Fuel Consumption Overall | 6.7 L/100km | 10.2 L/100km |
| Fuel Tank Capacity | 65 L | 70 L |
