2005 Audi A3 vs. 2007 Audi A6
To start off, 2007 Audi A6 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Audi A3. In addition, the cost of maintenance, including insurance, on 2005 Audi A3 would be higher. At 2,698 cc (6 cylinders), 2007 Audi A6 is equipped with a bigger engine. In terms of performance, 2007 Audi A6 (179 HP @ 3300 RPM) has 75 more horse power than 2005 Audi A3. (104 HP @ 4000 RPM) In normal driving conditions, 2007 Audi A6 should accelerate faster than 2005 Audi A3. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A6 weights approximately 360 kg more than 2005 Audi A3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Audi A3. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Audi A6 (380 Nm @ 1400 RPM) has 130 more torque (in Nm) than 2005 Audi A3. (250 Nm @ 1900 RPM). This means 2007 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A3.
Compare all specifications:
| 2005 Audi A3 | 2007 Audi A6 | |
| Make | Audi | Audi |
| Model | A3 | A6 |
| Year Released | 2005 | 2007 |
| Body Type | Hatchback | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1896 cc | 2698 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 104 HP | 179 HP |
| Engine RPM | 4000 RPM | 3300 RPM |
| Torque | 250 Nm | 380 Nm |
| Torque RPM | 1900 RPM | 1400 RPM |
| Engine Bore Size | 79.5 mm | 83 mm |
| Engine Stroke Size | 95.5 mm | 83.1 mm |
| Engine Compression Ratio | 19.0:1 | 17.0:1 |
| Fuel Type | Diesel | Diesel |
| Top Speed | 187 km/hour | 223 km/hour |
| Acceleration 0-100mph | 11.7 seconds | 9.1 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1335 kg | 1695 kg |
| Vehicle Length | 4290 mm | 4590 mm |
| Vehicle Width | 1770 mm | 1860 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2660 mm | 2850 mm |
| Fuel Consumption Overall | 5.1 L/100km | 8.3 L/100km |
| Fuel Tank Capacity | 55 L | 80 L |
