2009 Audi A3 vs. 2004 Audi A4
To start off, 2009 Audi A3 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 1,983 cc (4 cylinders), 2009 Audi A3 is equipped with a bigger engine. In terms of performance, 2009 Audi A3 (200 HP @ 5100 RPM) has 87 more horse power than 2004 Audi A4. (113 HP @ 4000 RPM). In normal driving conditions, 2009 Audi A3 should accelerate faster than 2004 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A4 weights approximately 475 kg more than 2009 Audi A3.
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, 2004 Audi A4 (285 Nm @ 1900 RPM) has 4 more torque (in Nm) than 2009 Audi A3. (281 Nm @ 1800 RPM). This means 2004 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A3.
Compare all specifications:
| 2009 Audi A3 | 2004 Audi A4 | |
| Make | Audi | Audi |
| Model | A3 | A4 |
| Year Released | 2009 | 2004 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1983 cc | 1896 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 200 HP | 113 HP |
| Engine RPM | 5100 RPM | 4000 RPM |
| Torque | 281 Nm | 285 Nm |
| Torque RPM | 1800 RPM | 1900 RPM |
| Engine Bore Size | 82.5 mm | 79.6 mm |
| Engine Stroke Size | 92.8 mm | 95.5 mm |
| Engine Compression Ratio | 10.5:1 | 19.0:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 930 kg | 1405 kg |
| Vehicle Length | 4290 mm | 4550 mm |
| Vehicle Width | 1970 mm | 1780 mm |
| Vehicle Height | 1430 mm | 1430 mm |
| Wheelbase Size | 2580 mm | 2470 mm |
| Fuel Consumption Highway | 7.8 L/100km | 4.5 L/100km |
| Fuel Consumption City | 11.2 L/100km | 7.5 L/100km |
| Fuel Consumption Overall | 9.8 L/100km | 5.7 L/100km |
| Fuel Tank Capacity | 55 L | 70 L |
