2005 Audi A8 vs. 2006 Audi A4
To start off, 2006 Audi A4 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Audi A8. In addition, the cost of maintenance, including insurance, on 2005 Audi A8 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 90 more horse power than 2006 Audi A4. (128 HP @ 5700 RPM). In normal driving conditions, 2005 Audi A8 should accelerate faster than 2006 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A4 weights approximately 410 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, 2005 Audi A8 (300 Nm @ 8200 RPM) has 105 more torque (in Nm) than 2006 Audi A4. (195 Nm @ 3500 RPM). This means 2005 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi A4.
Compare all specifications:
| 2005 Audi A8 | 2006 Audi A4 | |
| Make | Audi | Audi |
| Model | A8 | A4 |
| Year Released | 2005 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2976 cc | 1982 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 5 valves |
| Horse Power | 218 HP | 128 HP |
| Engine RPM | 6300 RPM | 5700 RPM |
| Torque | 300 Nm | 195 Nm |
| Torque RPM | 8200 RPM | 3500 RPM |
| Engine Bore Size | 82.5 mm | 82.5 mm |
| Engine Stroke Size | 92.8 mm | 92.8 mm |
| Engine Compression Ratio | 11.0:1 | 10.3:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 242 km/hour | 212 km/hour |
| Acceleration 0-100mph | 8.3 seconds | 9.9 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 | 1310 kg |
| Vehicle Length | 5190 mm | 4550 mm |
| Vehicle Width | 1900 mm | 1780 mm |
| Vehicle Height | 1460 mm | 1430 mm |
| Wheelbase Size | 3080 mm | 2660 mm |
| Fuel Consumption Overall | 9.6 L/100km | 7.9 L/100km |
| Fuel Tank Capacity | 90 L | 70 L |
