2008 Audi A6 vs. 2005 Audi A4
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 A4. In addition, the cost of maintenance, including insurance, on 2005 Audi A4 would be higher. At 3,123 cc (6 cylinders), 2008 Audi A6 is equipped with a bigger engine. In terms of performance, 2008 Audi A6 (255 HP @ 6500 RPM) has 85 more horse power than 2005 Audi A4. (170 HP @ 6500 RPM). In normal driving conditions, 2008 Audi A6 should accelerate faster than 2005 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 496 kg more than 2008 Audi A6.
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, 2008 Audi A6 (330 Nm) has 100 more torque (in Nm) than 2005 Audi A4. (230 Nm). This means 2008 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A4.
Compare all specifications:
| 2008 Audi A6 | 2005 Audi A4 | |
| Make | Audi | Audi |
| Model | A6 | A4 |
| Year Released | 2008 | 2005 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 1786 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 255 HP | 170 HP |
| Engine RPM | 6500 RPM | 6500 RPM |
| Torque | 330 Nm | 230 Nm |
| Engine Bore Size | 84.5 mm | 81 mm |
| Engine Stroke Size | 92.8 mm | 86 mm |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1160 kg | 1656 kg |
| Vehicle Length | 4920 mm | 4580 mm |
| Vehicle Width | 2020 mm | 1780 mm |
| Vehicle Height | 1460 mm | 1400 mm |
| Wheelbase Size | 2850 mm | 2770 mm |
| Fuel Consumption Highway | 8.3 L/100km | 7.8 L/100km |
| Fuel Consumption City | 11.4 L/100km | 10.2 L/100km |
| Fuel Consumption Overall | 10 L/100km | 9.1 L/100km |
| Fuel Tank Capacity | 80 L | 70 L |
