2006 Audi A6 vs. 2004 Opel Astra
To start off, 2006 Audi A6 is newer by 2 year(s). Which means there will be less support and parts availability for 2004 Opel Astra. In addition, the cost of maintenance, including insurance, on 2004 Opel Astra would be higher. At 2,967 cc (6 cylinders), 2006 Audi A6 is equipped with a bigger engine. In terms of performance, 2006 Audi A6 (221 HP @ 4000 RPM) has 24 more horse power than 2004 Opel Astra. (197 HP @ 5400 RPM). In normal driving conditions, 2006 Audi A6 should accelerate faster than 2004 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A6 weights approximately 379 kg more than 2004 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2006 Audi A6 (450 Nm @ 1400 RPM) has 188 more torque (in Nm) than 2004 Opel Astra. (262 Nm @ 4200 RPM). This means 2006 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Astra.
Compare all specifications:
| 2006 Audi A6 | 2004 Opel Astra | |
| Make | Audi | Opel |
| Model | A6 | Astra |
| Year Released | 2006 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 2967 cc | 1994 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 221 HP | 197 HP |
| Engine RPM | 4000 RPM | 5400 RPM |
| Torque | 450 Nm | 262 Nm |
| Torque RPM | 1400 RPM | 4200 RPM |
| Engine Bore Size | 83 mm | 86 mm |
| Engine Stroke Size | 91.4 mm | 86 mm |
| Engine Compression Ratio | 20.0:1 | 8.8:1 |
| Top Speed | 243 km/hour | 230 km/hour |
| Acceleration 0-100mph | 7.6 seconds | 8.2 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1765 kg | 1386 kg |
| Vehicle Length | 4920 mm | 4260 mm |
| Vehicle Width | 2020 mm | 1760 mm |
| Vehicle Height | 1470 mm | 1470 mm |
| Wheelbase Size | 2850 mm | 2740 mm |
| Fuel Consumption | 6.3 L/100km | 7.1 L/100km |
| Fuel Consumption Overall | 6.3 L/100km | 9.3 L/100km |
| Fuel Tank Capacity | 80 L | 52 L |
