2009 Audi A3 vs. 2005 Audi A4
To start off, 2009 Audi A3 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Audi A4. In addition, the cost of maintenance, including insurance, on 2005 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 29 more horse power than 2005 Audi A4. (171 HP @ 6200 RPM). In normal driving conditions, 2009 Audi A3 should accelerate faster than 2005 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 630 kg more than 2009 Audi A3.
Because 2005 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, 2005 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 (281 Nm) has 56 more torque (in Nm) than 2005 Audi A4. (225 Nm). This means 2009 Audi A3 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A4.
Compare all specifications:
| 2009 Audi A3 | 2005 Audi A4 | |
| Make | Audi | Audi |
| Model | A3 | A4 |
| Year Released | 2009 | 2005 |
| Body Type | Hatchback | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1983 cc | 1786 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 200 HP | 171 HP |
| Engine RPM | 5100 RPM | 6200 RPM |
| Torque | 281 Nm | 225 Nm |
| Engine Bore Size | 82.6 mm | 81 mm |
| Engine Stroke Size | 92.8 mm | 86 mm |
| Engine Compression Ratio | 10.5:1 | 9.3:1 |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 1030 kg | 1660 kg |
| Vehicle Length | 4290 mm | 4550 mm |
| Vehicle Width | 1970 mm | 1770 mm |
| Vehicle Height | 1430 mm | 1430 mm |
| Wheelbase Size | 2580 mm | 2770 mm |
| Fuel Consumption | 8.4 L/100km | 8.4 L/100km |
| Fuel Consumption City | 10.7 L/100km | 11.8 L/100km |
| Fuel Consumption Overall | 9.8 L/100km | 10.2 L/100km |
| Fuel Tank Capacity | 55 L | 63 L |
