2005 Audi A6 vs. 2009 Audi A3
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 4,172 cc (8 cylinders), 2005 Audi A6 is equipped with a bigger engine. In terms of performance, 2005 Audi A6 (247 HP @ 6200 RPM) has 109 more horse power than 2009 Audi A3. (138 HP @ 4000 RPM). In normal driving conditions, 2005 Audi A6 should accelerate faster than 2009 Audi A3. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A6 weights approximately 240 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 four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or 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, both vehicles can yield 320 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles.
Compare all specifications:
| 2005 Audi A6 | 2009 Audi A3 | |
| Make | Audi | Audi |
| Model | A6 | A3 |
| Year Released | 2005 | 2009 |
| Body Type | Station Wagon | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 1966 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 247 HP | 138 HP |
| Engine RPM | 6200 RPM | 4000 RPM |
| Torque | 320 Nm | 320 Nm |
| Torque RPM | 3000 RPM | 1750 RPM |
| Engine Bore Size | 84.5 mm | 81 mm |
| Engine Stroke Size | 93 mm | 95.5 mm |
| Engine Compression Ratio | 11.0:1 | 18.0:1 |
| Top Speed | 250 km/hour | 205 km/hour |
| Acceleration 0-100mph | 7.4 seconds | 9.6 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1785 kg | 1545 kg |
| Vehicle Length | 4840 mm | 4290 mm |
| Vehicle Width | 1860 mm | 1770 mm |
| Vehicle Height | 1480 mm | 1430 mm |
| Wheelbase Size | 2770 mm | 2580 mm |
| Fuel Consumption Overall | 13.1 L/100km | 5.9 L/100km |
| Fuel Tank Capacity | 82 L | 60 L |
