2009 Audi A3 vs. 2006 Audi A8
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 A8. In addition, the cost of maintenance, including insurance, on 2006 Audi A8 would be higher. At 4,172 cc (8 cylinders), 2006 Audi A8 is equipped with a bigger engine. In terms of performance, 2006 Audi A8 (330 HP @ 6500 RPM) has 192 more horse power than 2009 Audi A3. (138 HP @ 4000 RPM) In normal driving conditions, 2006 Audi A8 should accelerate faster than 2009 Audi A3. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A8 weights approximately 980 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 2006 Audi A8 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, 2006 Audi A8 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, 2006 Audi A8 (430 Nm @ 3500 RPM) has 110 more torque (in Nm) than 2009 Audi A3. (320 Nm @ 1750 RPM). This means 2006 Audi A8 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 A8 | |
| Make | Audi | Audi |
| Model | A3 | A8 |
| Year Released | 2009 | 2006 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1968 cc | 4172 cc |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 138 HP | 330 HP |
| Engine RPM | 4000 RPM | 6500 RPM |
| Torque | 320 Nm | 430 Nm |
| Torque RPM | 1750 RPM | 3500 RPM |
| Engine Bore Size | 81 mm | 84.5 mm |
| Engine Stroke Size | 95.5 mm | 93 mm |
| Engine Compression Ratio | 18.0:1 | 11.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 207 km/hour | 250 km/hour |
| Acceleration 0-100mph | 9 seconds | 6.4 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 930 kg | 1910 kg |
| Vehicle Length | 4210 mm | 5190 mm |
| Vehicle Width | 1770 mm | 1900 mm |
| Vehicle Height | 1430 mm | 1460 mm |
| Wheelbase Size | 2580 mm | 3080 mm |
| Fuel Consumption Overall | 6.8 L/100km | 12.1 L/100km |
| Fuel Tank Capacity | 55 L | 90 L |
