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 2,983 cc (6 cylinders), 2004 Audi A4 is equipped with a bigger engine. In terms of performance, 2004 Audi A4 (220 HP @ 6300 RPM) has 82 more horse power than 2009 Audi A3. (138 HP @ 4000 RPM) In normal driving conditions, 2004 Audi A4 should accelerate faster than 2009 Audi A3. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A4 weights approximately 815 kg more than 2009 Audi A3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Audi A3. In wet, icy, snow, or gravel driving conditions, 2004 Audi A4 will offer significantly more control. 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 A3 (320 Nm @ 2500 RPM) has 20 more torque (in Nm) than 2004 Audi A4. (300 Nm @ 3200 RPM). This means 2009 Audi A3 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A4.
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 | 1968 cc | 2983 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 138 HP | 220 HP |
| Engine RPM | 4000 RPM | 6300 RPM |
| Torque | 320 Nm | 300 Nm |
| Torque RPM | 2500 RPM | 3200 RPM |
| Engine Bore Size | 81.1 mm | 83 mm |
| Engine Stroke Size | 95.5 mm | 93 mm |
| Engine Compression Ratio | 18.0:1 | 10.1:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Acceleration 0-100mph | 9.5 seconds | 6.9 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 895 kg | 1710 kg |
| Vehicle Length | 4210 mm | 4550 mm |
| Vehicle Width | 1960 mm | 1780 mm |
| Vehicle Height | 1430 mm | 1430 mm |
| Wheelbase Size | 2580 mm | 2660 mm |
| Fuel Consumption Overall | 6.8 L/100km | 10.5 L/100km |
| Fuel Tank Capacity | 55 L | 63 L |
