2005 Audi A6 vs. 2008 Audi A4
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 2,967 cc (6 cylinders), 2005 Audi A6 is equipped with a bigger engine. In terms of performance, 2005 Audi A6 (220 HP @ 4000 RPM) has 59 more horse power than 2008 Audi A4. (161 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 225 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.
Because 2005 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2008 Audi A4. 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 (451 Nm @ 1400 RPM) has 226 more torque (in Nm) than 2008 Audi A4. (225 Nm @ 1950 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:
| 2005 Audi A6 | 2008 Audi A4 | |
| Make | Audi | Audi |
| Model | A6 | A4 |
| Year Released | 2005 | 2008 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2967 cc | 1781 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 220 HP | 161 HP |
| Engine RPM | 4000 RPM | 5700 RPM |
| Torque | 451 Nm | 225 Nm |
| Torque RPM | 1400 RPM | 1950 RPM |
| Engine Bore Size | 83 mm | 81.1 mm |
| Engine Stroke Size | 91.4 mm | 86.4 mm |
| Fuel Type | Diesel | Gasoline - Premium |
| Acceleration 0-100mph | 7.3 seconds | 9.4 seconds |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1765 kg | 1540 kg |
| Vehicle Length | 4920 mm | 4580 mm |
| Vehicle Width | 1860 mm | 1780 mm |
| Vehicle Height | 1470 mm | 1400 mm |
| Wheelbase Size | 2770 mm | 2660 mm |
| Fuel Consumption Overall | 8.3 L/100km | 8.5 L/100km |
| Fuel Tank Capacity | 80 L | 70 L |
