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), 2009 Audi A3 is equipped with a bigger engine. In terms of performance, 2006 Audi A4 (161 HP @ 5700 RPM) has 23 more horse power than 2009 Audi A3. (138 HP @ 4000 RPM) In normal driving conditions, 2006 Audi A4 should accelerate faster than 2009 Audi A3. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A4 weights approximately 126 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.
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, 2009 Audi A3 (320 Nm @ 1750 RPM) has 95 more torque (in Nm) than 2006 Audi A4. (225 Nm @ 1950 RPM). This means 2009 Audi A3 will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi A4. 2009 Audi A3 has automatic transmission and 2006 Audi A4 has manual transmission. 2006 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi A3 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi A3 | 2006 Audi A4 | |
| Make | Audi | Audi |
| Model | A3 | A4 |
| Year Released | 2009 | 2006 |
| Body Type | Hatchback | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1968 cc | 1781 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 138 HP | 161 HP |
| Engine RPM | 4000 RPM | 5700 RPM |
| Torque | 320 Nm | 225 Nm |
| Torque RPM | 1750 RPM | 1950 RPM |
| Engine Bore Size | 81 mm | 81 mm |
| Engine Stroke Size | 95.5 mm | 86.4 mm |
| Engine Compression Ratio | 18.0:1 | 9.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 207 km/hour | 226 km/hour |
| Acceleration 0-100mph | 9.5 seconds | 9.4 seconds |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 1416 kg | 1542 kg |
| Vehicle Length | 4220 mm | 4580 mm |
| Vehicle Width | 1770 mm | 1780 mm |
| Vehicle Height | 1430 mm | 1400 mm |
| Wheelbase Size | 2580 mm | 2660 mm |
| Fuel Consumption Overall | 5.5 L/100km | 8.5 L/100km |
| Fuel Tank Capacity | 55 L | 70 L |
