2006 Audi A3 vs. 2009 Audi A4
To start off, 2009 Audi A4 is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Audi A3. In addition, the cost of maintenance, including insurance, on 2006 Audi A3 would be higher. At 3,189 cc (6 cylinders), 2006 Audi A3 is equipped with a bigger engine. In terms of performance, 2006 Audi A3 (247 HP @ 6300 RPM) has 10 more horse power than 2009 Audi A4. (237 HP @ 4000 RPM). In normal driving conditions, 2006 Audi A3 should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A3 weights approximately 189 kg more than 2009 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 (500 Nm @ 1500 RPM) has 180 more torque (in Nm) than 2006 Audi A3. (320 Nm @ 3500 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi A3.
Compare all specifications:
| 2006 Audi A3 | 2009 Audi A4 | |
| Make | Audi | Audi |
| Model | A3 | A4 |
| Year Released | 2006 | 2009 |
| Body Type | Hatchback | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 3189 cc | 2965 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 247 HP | 237 HP |
| Engine RPM | 6300 RPM | 4000 RPM |
| Torque | 320 Nm | 500 Nm |
| Torque RPM | 3500 RPM | 1500 RPM |
| Engine Bore Size | 84 mm | 83 mm |
| Engine Stroke Size | 95.9 mm | 91.4 mm |
| Engine Compression Ratio | 11.3:1 | 16.8:1 |
| Fuel Type | Gasoline | Diesel |
| Acceleration 0-100mph | 6.2 seconds | 6.3 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 1884 kg | 1695 kg |
| Vehicle Length | 4210 mm | 4710 mm |
| Vehicle Width | 1770 mm | 1830 mm |
| Vehicle Height | 1430 mm | 1440 mm |
| Wheelbase Size | 2580 mm | 2810 mm |
| Fuel Consumption Overall | 9.9 L/100km | 7.1 L/100km |
| Fuel Tank Capacity | 60 L | 64 L |
