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 2,671 cc (6 cylinders), 2005 Audi A6 is equipped with a bigger engine. In terms of performance, 2005 Audi A6 (247 HP @ 1800 RPM) has 109 more horse power than 2007 Audi A3. (138 HP @ 4000 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 290 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 2005 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2007 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, 2005 Audi A6 (350 Nm @ 1800 RPM) has 30 more torque (in Nm) than 2007 Audi A3. (320 Nm @ 1750 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 | 1967 cc | 2671 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 138 HP | 247 HP |
| Engine RPM | 4000 RPM | 1800 RPM |
| Torque | 320 Nm | 350 Nm |
| Torque RPM | 1750 RPM | 1800 RPM |
| Engine Compression Ratio | 18.0:1 | 9.3:1 |
| Top Speed | 207 km/hour | 243 km/hour |
| Acceleration 0-100mph | 9 seconds | 6.8 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 1370 kg | 1660 kg |
| Vehicle Length | 4210 mm | 4800 mm |
| Vehicle Width | 1770 mm | 1820 mm |
| Vehicle Height | 1430 mm | 1460 mm |
| Wheelbase Size | 2580 mm | 2580 mm |
| Fuel Consumption Overall | 6.8 L/100km | 12.2 L/100km |
| Fuel Tank Capacity | 55 L | 70 L |
