2005 Audi A3 vs. 2008 Audi A6
To start off, 2008 Audi A6 is newer by 3 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 2,967 cc, 2008 Audi A6 is equipped with a bigger engine. In terms of performance, 2008 Audi A6 (231 HP @ 4000 RPM) has 127 more horse power than 2005 Audi A3. (104 HP @ 4000 RPM) In normal driving conditions, 2008 Audi A6 should accelerate faster than 2005 Audi A3. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A6 weights approximately 430 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 2008 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, 2008 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, 2008 Audi A6 (450 Nm @ 1400 RPM) has 200 more torque (in Nm) than 2005 Audi A3. (250 Nm @ 1900 RPM). This means 2008 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 | 2008 Audi A6 | |
| Make | Audi | Audi |
| Model | A3 | A6 |
| Year Released | 2005 | 2008 |
| Body Type | Hatchback | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1896 cc | 2967 cc |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 104 HP | 231 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 250 Nm | 450 Nm |
| Torque RPM | 1900 RPM | 1400 RPM |
| Engine Bore Size | 79.5 mm | 83 mm |
| Engine Stroke Size | 95.5 mm | 91.4 mm |
| Engine Compression Ratio | 19.0:1 | 17.0:1 |
| Fuel Type | Diesel | Diesel |
| Top Speed | 187 km/hour | 251 km/hour |
| Acceleration 0-100mph | 11.7 seconds | 8.2 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 | 1765 kg |
| Vehicle Length | 4290 mm | 4940 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 | 10.2 L/100km |
