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 2,696 cc (6 cylinders), 2008 Audi A6 is equipped with a bigger engine. In terms of performance, 2005 Audi A3 (197 HP @ 5100 RPM) has 19 more horse power than 2008 Audi A6. (178 HP @ 3300 RPM). In normal driving conditions, 2005 Audi A3 should accelerate faster than 2008 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A6 weights approximately 285 kg more than 2005 Audi A3.
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, 2008 Audi A6 (380 Nm @ 1400 RPM) has 100 more torque (in Nm) than 2005 Audi A3. (280 Nm @ 1800 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 | 2696 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 197 HP | 178 HP |
| Engine RPM | 5100 RPM | 3300 RPM |
| Torque | 280 Nm | 380 Nm |
| Torque RPM | 1800 RPM | 1400 RPM |
| Engine Bore Size | 82.5 mm | 83 mm |
| Engine Stroke Size | 92.8 mm | 83.1 mm |
| Engine Compression Ratio | 11.5:1 | 17.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 234 km/hour | 223 km/hour |
| Acceleration 0-100mph | 7.1 seconds | 9.1 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1410 kg | 1695 kg |
| Vehicle Length | 4290 mm | 4940 mm |
| Vehicle Width | 1770 mm | 1860 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2580 mm | 2850 mm |
| Fuel Consumption Overall | 9.1 L/100km | 8.3 L/100km |
| Fuel Tank Capacity | 60 L | 80 L |
