2008 Audi A8 vs. 2005 Audi A6
To start off, 2008 Audi A8 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 4,172 cc (8 cylinders), 2008 Audi A8 is equipped with a bigger engine. In terms of performance, 2008 Audi A8 (330 HP @ 6500 RPM) has 153 more horse power than 2005 Audi A6. (177 HP @ 4000 RPM). In normal driving conditions, 2008 Audi A8 should accelerate faster than 2005 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A6 weights approximately 45 kg more than 2008 Audi A8.
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 A8 (431 Nm) has 61 more torque (in Nm) than 2005 Audi A6. (370 Nm). This means 2008 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A6.
Compare all specifications:
| 2008 Audi A8 | 2005 Audi A6 | |
| Make | Audi | Audi |
| Model | A8 | A6 |
| Year Released | 2008 | 2005 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 2496 cc |
| Valves per Cylinder | 5 valves | 5 valves |
| Horse Power | 330 HP | 177 HP |
| Engine RPM | 6500 RPM | 4000 RPM |
| Torque | 431 Nm | 370 Nm |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 250 km/hour | 205 km/hour |
| Acceleration 0-100mph | 6.4 seconds | 10.2 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1910 kg | 1955 kg |
| Vehicle Length | 5190 mm | 4820 mm |
| Vehicle Width | 1900 mm | 1860 mm |
| Vehicle Height | 1460 mm | 1560 mm |
| Wheelbase Size | 3080 mm | 2770 mm |
| Fuel Tank Capacity | 90 L | 70 L |
