2009 Audi A6 vs. 2005 Opel Astra
To start off, 2009 Audi A6 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Opel Astra. In addition, the cost of maintenance, including insurance, on 2005 Opel Astra would be higher. At 2,698 cc (6 cylinders), 2009 Audi A6 is equipped with a bigger engine. In terms of performance, 2009 Audi A6 (178 HP @ 3300 RPM) has 81 more horse power than 2005 Opel Astra. (97 HP @ 6000 RPM). In normal driving conditions, 2009 Audi A6 should accelerate faster than 2005 Opel Astra.
Because 2009 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Opel Astra. In wet, icy, snow, or gravel driving conditions, 2009 Audi A6 will offer significantly more control. 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, 2009 Audi A6 (380 Nm @ 1400 RPM) has 238 more torque (in Nm) than 2005 Opel Astra. (142 Nm @ 3600 RPM). This means 2009 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra.
Compare all specifications:
| 2009 Audi A6 | 2005 Opel Astra | |
| Make | Audi | Opel |
| Model | A6 | Astra |
| Year Released | 2009 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2698 cc | 1596 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 178 HP | 97 HP |
| Engine RPM | 3300 RPM | 6000 RPM |
| Torque | 380 Nm | 142 Nm |
| Torque RPM | 1400 RPM | 3600 RPM |
| Engine Compression Ratio | 17.0:1 | 9.8:1 |
| Top Speed | 228 km/hour | 193 km/hour |
| Acceleration 0-100mph | 8.9 seconds | 11.5 seconds |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1160 kg | 1160 kg |
| Wheelbase Size | 2850 mm | 2610 mm |
| Fuel Consumption Overall | 8.7 L/100km | 7.8 L/100km |
| Fuel Tank Capacity | 80 L | 52 L |
