2009 Audi A3 vs. 2006 Audi A4
To start off, 2009 Audi A3 is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Audi A4. In addition, the cost of maintenance, including insurance, on 2006 Audi A4 would be higher. At 1,968 cc (4 cylinders), 2006 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Audi A3 (197 HP @ 6000 RPM) has 59 more horse power than 2006 Audi A4. (138 HP @ 4000 RPM). In normal driving conditions, 2009 Audi A3 should accelerate faster than 2006 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A4 weights approximately 345 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, 2006 Audi A4 (321 Nm @ 1750 RPM) has 41 more torque (in Nm) than 2009 Audi A3. (280 Nm @ 1800 RPM). This means 2006 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 | 2006 Audi A4 | |
| Make | Audi | Audi |
| Model | A3 | A4 |
| Year Released | 2009 | 2006 |
| Body Type | Hatchback | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1948 cc | 1968 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 197 HP | 138 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 280 Nm | 321 Nm |
| Torque RPM | 1800 RPM | 1750 RPM |
| Engine Bore Size | 82.6 mm | 81 mm |
| Engine Stroke Size | 92.8 mm | 95.5 mm |
| Fuel Type | Gasoline | Diesel |
| Acceleration 0-100mph | 7.1 seconds | 9.9 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 930 kg | 1275 kg |
| Vehicle Length | 4290 mm | 4550 mm |
| Vehicle Width | 1770 mm | 1780 mm |
| Vehicle Height | 1430 mm | 1430 mm |
| Wheelbase Size | 2580 mm | 2660 mm |
| Fuel Consumption Overall | 8.9 L/100km | 5.8 L/100km |
| Fuel Tank Capacity | 55 L | 70 L |
