2007 Audi A6 vs. 2009 Audi A3
To start off, 2009 Audi A3 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Audi A6. In addition, the cost of maintenance, including insurance, on 2007 Audi A6 would be higher. At 2,393 cc (6 cylinders), 2007 Audi A6 is equipped with a bigger engine. In terms of performance, 2007 Audi A6 (175 HP @ 6000 RPM) has 37 more horse power than 2009 Audi A3. (138 HP @ 4000 RPM). In normal driving conditions, 2007 Audi A6 should accelerate faster than 2009 Audi A3. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A3 weights approximately 23 kg more than 2007 Audi A6.
Because 2009 Audi A3 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Audi A6. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 Audi A3 (320 Nm @ 1750 RPM) has 90 more torque (in Nm) than 2007 Audi A6. (230 Nm @ 3200 RPM). This means 2009 Audi A3 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A6.
Compare all specifications:
| 2007 Audi A6 | 2009 Audi A3 | |
| Make | Audi | Audi |
| Model | A6 | A3 |
| Year Released | 2007 | 2009 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2393 cc | 1968 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 175 HP | 138 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 230 Nm | 320 Nm |
| Torque RPM | 3200 RPM | 1750 RPM |
| Engine Bore Size | 81 mm | 81 mm |
| Engine Stroke Size | 77.4 mm | 95.5 mm |
| Engine Compression Ratio | 10.5:1 | 18.0:1 |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 231 km/hour | 205 km/hour |
| Acceleration 0-100mph | 8.9 seconds | 9.7 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1482 kg | 1505 kg |
| Vehicle Length | 4920 mm | 4220 mm |
| Vehicle Width | 2020 mm | 1770 mm |
| Vehicle Height | 1470 mm | 1430 mm |
| Wheelbase Size | 2850 mm | 2580 mm |
| Fuel Consumption Overall | 9.7 L/100km | 5.8 L/100km |
| Fuel Tank Capacity | 70 L | 60 L |
