2008 Audi A4 vs. 2005 Audi A6
To start off, 2008 Audi A4 is newer by 3 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 3,121 cc (6 cylinders), 2005 Audi A6 is equipped with a bigger engine. In terms of performance, 2005 Audi A6 (252 HP @ 6500 RPM) has 2 more horse power than 2008 Audi A4. (250 HP @ 5700 RPM) In normal driving conditions, 2005 Audi A6 should accelerate faster than 2008 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A6 weights approximately 150 kg more than 2008 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than 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, 2005 Audi A6 (330 Nm @ 3250 RPM) has 135 more torque (in Nm) than 2008 Audi A4. (195 Nm @ 3300 RPM). This means 2005 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A4.
Compare all specifications:
| 2008 Audi A4 | 2005 Audi A6 | |
| Make | Audi | Audi |
| Model | A4 | A6 |
| Year Released | 2008 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 3121 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 5 valves | 5 valves |
| Horse Power | 250 HP | 252 HP |
| Engine RPM | 5700 RPM | 6500 RPM |
| Torque | 195 Nm | 330 Nm |
| Torque RPM | 3300 RPM | 3250 RPM |
| Engine Bore Size | 82.5 mm | 84.5 mm |
| Engine Stroke Size | 92.8 mm | 92.8 mm |
| Engine Compression Ratio | 10.3:1 | 13.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 205 km/hour | 250 km/hour |
| Acceleration 0-100mph | 10.4 seconds | 6.9 seconds |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1390 kg | 1540 kg |
| Vehicle Length | 4180 mm | 4920 mm |
| Vehicle Height | 1560 mm | 1470 mm |
| Wheelbase Size | 2650 mm | 2770 mm |
| Fuel Consumption Overall | 7.9 L/100km | 9.7 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
