2009 Audi A4 vs. 2004 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 1,984 cc (4 cylinders), 2004 Audi A4 is equipped with a bigger engine. In terms of performance, both vehicles can yield 187 horse power. So under normal driving conditions, the acceleration of both vehicles should be relatively similar. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A4 weights approximately 65 kg more than 2009 Audi A4.
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, 2004 Audi A4 (280 Nm @ 1800 RPM) has 40 more torque (in Nm) than 2009 Audi A4. (240 Nm @ 1950 RPM). This means 2004 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A4.
Compare all specifications:
| 2009 Audi A4 | 2004 Audi A4 | |
| Make | Audi | Audi |
| Model | A4 | A4 |
| Year Released | 2009 | 2004 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 1984 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 187 HP | 187 HP |
| Engine RPM | 5700 RPM | 5100 RPM |
| Torque | 240 Nm | 280 Nm |
| Torque RPM | 1950 RPM | 1800 RPM |
| Engine Bore Size | 81 mm | 82.5 mm |
| Engine Stroke Size | 86.4 mm | 92.8 mm |
| Engine Compression Ratio | 9.3:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 234 km/hour | 233 km/hour |
| Acceleration 0-100mph | 8.3 seconds | 7.5 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1475 kg | 1540 kg |
| Vehicle Length | 4550 mm | 4590 mm |
| Vehicle Width | 1780 mm | 1780 mm |
| Vehicle Height | 1430 mm | 1430 mm |
| Wheelbase Size | 2660 mm | 2470 mm |
| Fuel Consumption Overall | 9.4 L/100km | 8.8 L/100km |
| Fuel Tank Capacity | 66 L | 63 L |
