2005 Audi A8 vs. 2004 Audi A6
To start off, 2005 Audi A8 is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Audi A6. In addition, the cost of maintenance, including insurance, on 2004 Audi A6 would be higher. At 2,976 cc (6 cylinders), 2005 Audi A8 is equipped with a bigger engine. In terms of performance, 2005 Audi A8 (218 HP @ 6300 RPM) has 39 more horse power than 2004 Audi A6. (179 HP @ 3300 RPM). In normal driving conditions, 2005 Audi A8 should accelerate faster than 2004 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A6 weights approximately 725 kg more than 2005 Audi A8.
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, 2004 Audi A6 (370 Nm @ 1400 RPM) has 70 more torque (in Nm) than 2005 Audi A8. (300 Nm @ 8200 RPM). This means 2004 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A8.
Compare all specifications:
| 2005 Audi A8 | 2004 Audi A6 | |
| Make | Audi | Audi |
| Model | A8 | A6 |
| Year Released | 2005 | 2004 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2976 cc | 2696 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 218 HP | 179 HP |
| Engine RPM | 6300 RPM | 3300 RPM |
| Torque | 300 Nm | 370 Nm |
| Torque RPM | 8200 RPM | 1400 RPM |
| Engine Bore Size | 82.5 mm | 83 mm |
| Engine Stroke Size | 92.8 mm | 83.1 mm |
| Engine Compression Ratio | 11.0:1 | 17.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 242 km/hour | 230 km/hour |
| Acceleration 0-100mph | 8.3 seconds | 8.1 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 900 kg | 1625 kg |
| Vehicle Length | 5190 mm | 4920 mm |
| Vehicle Width | 1900 mm | 1860 mm |
| Vehicle Height | 1460 mm | 1470 mm |
| Wheelbase Size | 3080 mm | 2660 mm |
| Fuel Consumption Overall | 9.6 L/100km | 6.8 L/100km |
| Fuel Tank Capacity | 90 L | 70 L |
