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 2,983 cc (6 cylinders), 2005 Audi A4 is equipped with a bigger engine. In terms of performance, 2005 Audi A4 (220 HP @ 6300 RPM) has 42 more horse power than 2008 Audi A6. (178 HP @ 4000 RPM) In normal driving conditions, 2005 Audi A4 should accelerate faster than 2008 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A6 weights approximately 245 kg more than 2005 Audi A4.
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 (370 Nm @ 1500 RPM) has 70 more torque (in Nm) than 2005 Audi A4. (300 Nm @ 3200 RPM). This means 2008 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A4. 2005 Audi A4 has automatic transmission and 2008 Audi A6 has manual transmission. 2008 Audi A6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Audi A4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Audi A6 | 2005 Audi A4 | |
| Make | Audi | Audi |
| Model | A6 | A4 |
| Year Released | 2008 | 2005 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2496 cc | 2983 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 5 valves |
| Horse Power | 178 HP | 220 HP |
| Engine RPM | 4000 RPM | 6300 RPM |
| Torque | 370 Nm | 300 Nm |
| Torque RPM | 1500 RPM | 3200 RPM |
| Engine Bore Size | 78.3 mm | 83 mm |
| Engine Stroke Size | 86.4 mm | 93 mm |
| Engine Compression Ratio | 19.0:1 | 10.1:1 |
| Top Speed | 207 km/hour | 238 km/hour |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1890 kg | 1645 kg |
| Vehicle Length | 4820 mm | 4550 mm |
| Vehicle Width | 1860 mm | 1770 mm |
| Vehicle Height | 1560 mm | 1430 mm |
| Wheelbase Size | 2760 mm | 2660 mm |
| Fuel Consumption Overall | 9.2 L/100km | 11 L/100km |
| Fuel Tank Capacity | 70 L | 66 L |
