2007 Audi A3 vs. 2009 Audi A8
To start off, 2009 Audi A8 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Audi A3. In addition, the cost of maintenance, including insurance, on 2007 Audi A3 would be higher. At 3,189 cc (6 cylinders), 2007 Audi A3 is equipped with a bigger engine. In terms of performance, 2007 Audi A3 (247 HP @ 6300 RPM) has 30 more horse power than 2009 Audi A8. (217 HP @ 6300 RPM). In normal driving conditions, 2007 Audi A3 should accelerate faster than 2009 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A8 weights approximately 115 kg more than 2007 Audi A3.
Because 2007 Audi A3 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Audi A8. In wet, icy, snow, or gravel driving conditions, 2007 Audi A3 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, 2007 Audi A3 (320 Nm @ 2500 RPM) has 20 more torque (in Nm) than 2009 Audi A8. (300 Nm @ 8200 RPM). This means 2007 Audi A3 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A8.
Compare all specifications:
| 2007 Audi A3 | 2009 Audi A8 | |
| Make | Audi | Audi |
| Model | A3 | A8 |
| Year Released | 2007 | 2009 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3189 cc | 2976 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 247 HP | 217 HP |
| Engine RPM | 6300 RPM | 6300 RPM |
| Torque | 320 Nm | 300 Nm |
| Torque RPM | 2500 RPM | 8200 RPM |
| Engine Compression Ratio | 11.3:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 240 km/hour | 240 km/hour |
| Acceleration 0-100mph | 6.5 seconds | 7.9 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 1555 kg | 1670 kg |
| Vehicle Length | 4210 mm | 5060 mm |
| Vehicle Width | 1770 mm | 1900 mm |
| Vehicle Height | 1430 mm | 1450 mm |
| Wheelbase Size | 2580 mm | 2950 mm |
| Fuel Consumption Overall | 10.6 L/100km | 9.6 L/100km |
| Fuel Tank Capacity | 55 L | 90 L |
