2009 Audi A3 vs. 2005 Audi A6
To start off, 2009 Audi A3 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Audi A6. In addition, the cost of maintenance, including insurance, on 2005 Audi A6 would be higher. At 2,495 cc (6 cylinders), 2005 Audi A6 is equipped with a bigger engine. In terms of performance, 2009 Audi A3 (197 HP @ 5100 RPM) has 19 more horse power than 2005 Audi A6. (178 HP @ 6000 RPM). In normal driving conditions, 2009 Audi A3 should accelerate faster than 2005 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A6 weights approximately 695 kg more than 2009 Audi A3.
Because 2005 Audi A6 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, 2005 Audi A6 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 (280 Nm @ 1800 RPM) has 55 more torque (in Nm) than 2005 Audi A6. (225 Nm @ 3000 RPM). This means 2009 Audi A3 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A6.
Compare all specifications:
| 2009 Audi A3 | 2005 Audi A6 | |
| Make | Audi | Audi |
| Model | A3 | A6 |
| Year Released | 2009 | 2005 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 2495 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 197 HP | 178 HP |
| Engine RPM | 5100 RPM | 6000 RPM |
| Torque | 280 Nm | 225 Nm |
| Torque RPM | 1800 RPM | 3000 RPM |
| Engine Bore Size | 82.5 mm | 81 mm |
| Engine Stroke Size | 92.8 mm | 77.4 mm |
| Engine Compression Ratio | 10.5:1 | 10.3:1 |
| Top Speed | 234 km/hour | 230 km/hour |
| Acceleration 0-100mph | 7 seconds | 9.1 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 930 kg | 1625 kg |
| Vehicle Length | 4290 mm | 4920 mm |
| Vehicle Width | 1770 mm | 1860 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2580 mm | 2580 mm |
| Fuel Consumption Overall | 9 L/100km | 10.9 L/100km |
| Fuel Tank Capacity | 60 L | 80 L |
