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 2,965 cc (6 cylinders), 2008 Audi A4 is equipped with a bigger engine. In terms of performance, 2008 Audi A4 (222 HP @ 4000 RPM) has 84 more horse power than 2005 Audi A6. (138 HP @ 4000 RPM). In normal driving conditions, 2008 Audi A4 should accelerate faster than 2005 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A6 weights approximately 195 kg more than 2008 Audi A4.
Because 2008 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Audi A6. In wet, icy, snow, or gravel driving conditions, 2008 Audi A4 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 A4 (450 Nm @ 1400 RPM) has 120 more torque (in Nm) than 2005 Audi A6. (330 Nm @ 1750 RPM). This means 2008 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A6.
Compare all specifications:
| 2008 Audi A4 | 2005 Audi A6 | |
| Make | Audi | Audi |
| Model | A4 | A6 |
| Year Released | 2008 | 2005 |
| Body Type | Station Wagon | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2965 cc | 1982 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 222 HP | 138 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 450 Nm | 330 Nm |
| Torque RPM | 1400 RPM | 1750 RPM |
| Engine Bore Size | 83 mm | 81 mm |
| Engine Stroke Size | 91.4 mm | 95.5 mm |
| Engine Compression Ratio | 17.0:1 | 18.0:1 |
| Fuel Type | Diesel | Diesel |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1430 kg | 1625 kg |
| Vehicle Length | 4550 mm | 4940 mm |
| Vehicle Width | 1780 mm | 1820 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2660 mm | 2580 mm |
| Fuel Consumption Overall | 7.5 L/100km | 5.7 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
