2007 Audi A3 vs. 2005 Audi A6
To start off, 2007 Audi A3 is newer by 2 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 2,965 cc (6 cylinders), 2005 Audi A6 is equipped with a bigger engine. In terms of performance, 2005 Audi A6 (252 HP @ 6500 RPM) has 52 more horse power than 2007 Audi A3. (200 HP @ 5100 RPM) In normal driving conditions, 2005 Audi A6 should accelerate faster than 2007 Audi A3. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A6 weights approximately 40 kg more than 2007 Audi A3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi A3 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Audi A6. 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, 2005 Audi A6 (330 Nm @ 3250 RPM) has 49 more torque (in Nm) than 2007 Audi A3. (281 Nm @ 1800 RPM). This means 2005 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A3.
Compare all specifications:
| 2007 Audi A3 | 2005 Audi A6 | |
| Make | Audi | Audi |
| Model | A3 | A6 |
| Year Released | 2007 | 2005 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1983 cc | 2965 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 200 HP | 252 HP |
| Engine RPM | 5100 RPM | 6500 RPM |
| Torque | 281 Nm | 330 Nm |
| Torque RPM | 1800 RPM | 3250 RPM |
| Engine Bore Size | 82.5 mm | 84.5 mm |
| Engine Stroke Size | 92.8 mm | 92.8 mm |
| Engine Compression Ratio | 10.5:1 | 12.5:1 |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1530 kg | 1570 kg |
| Vehicle Length | 4290 mm | 4920 mm |
| Vehicle Width | 1960 mm | 1860 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2580 mm | 2770 mm |
| Fuel Consumption Highway | 7.5 L/100km | 7.2 L/100km |
| Fuel Consumption City | 9.6 L/100km | 13.9 L/100km |
| Fuel Consumption Overall | 8.6 L/100km | 9.7 L/100km |
| Fuel Tank Capacity | 55 L | 70 L |
