2004 Audi A4 vs. 2009 Audi A4
To start off, 2009 Audi A4 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 2,995 cc (6 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (328 HP @ 5500 RPM) has 168 more horse power than 2004 Audi A4. (160 HP @ 5700 RPM) In normal driving conditions, 2009 Audi A4 should accelerate faster than 2004 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 174 kg more than 2004 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or 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 A4 (440 Nm @ 2900 RPM) has 215 more torque (in Nm) than 2004 Audi A4. (225 Nm @ 1950 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A4.
Compare all specifications:
| 2004 Audi A4 | 2009 Audi A4 | |
| Make | Audi | Audi |
| Model | A4 | A4 |
| Year Released | 2004 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 2995 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 160 HP | 328 HP |
| Engine RPM | 5700 RPM | 5500 RPM |
| Torque | 225 Nm | 440 Nm |
| Torque RPM | 1950 RPM | 2900 RPM |
| Engine Bore Size | 81 mm | 84.6 mm |
| Engine Stroke Size | 86.4 mm | 89 mm |
| Engine Compression Ratio | 9.3:1 | 10.3:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 8.7 seconds | 5.1 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1476 kg | 1650 kg |
| Vehicle Length | 4550 mm | 4720 mm |
| Vehicle Width | 1780 mm | 1830 mm |
| Vehicle Height | 1430 mm | 1410 mm |
| Wheelbase Size | 2470 mm | 2820 mm |
| Fuel Consumption Overall | 9.4 L/100km | 9.7 L/100km |
