2009 Audi A6 vs. 2008 Opel Astra
To start off, 2009 Audi A6 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Opel Astra. In addition, the cost of maintenance, including insurance, on 2008 Opel Astra would be higher. At 3,129 cc (6 cylinders), 2009 Audi A6 is equipped with a bigger engine. In terms of performance, 2009 Audi A6 (342 HP @ 6500 RPM) has 283 more horse power than 2008 Opel Astra. (59 HP @ 6000 RPM). In normal driving conditions, 2009 Audi A6 should accelerate faster than 2008 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A6 weights approximately 430 kg more than 2008 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2008 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 (243 Nm @ 3250 RPM) has 101 more torque (in Nm) than 2008 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 2008 Opel Astra. 2009 Audi A6 has automatic transmission and 2008 Opel Astra has manual transmission. 2008 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi A6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi A6 | 2008 Opel Astra | |
| Make | Audi | Opel |
| Model | A6 | Astra |
| Year Released | 2009 | 2008 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3129 cc | 1597 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 342 HP | 59 HP |
| Engine RPM | 6500 RPM | 6000 RPM |
| Torque | 243 Nm | 142 Nm |
| Torque RPM | 3250 RPM | 3600 RPM |
| Engine Bore Size | 84.6 mm | 79 mm |
| Engine Stroke Size | 92.7 mm | 81.5 mm |
| Engine Compression Ratio | 12.5:1 | 9.8:1 |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 209 km/hour | 197 km/hour |
| Acceleration 0-100mph | 7.3 seconds | 12.6 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1540 kg | 1110 kg |
| Vehicle Length | 4920 mm | 3510 mm |
| Vehicle Height | 1860 mm | 1700 mm |
| Wheelbase Size | 2850 mm | 2610 mm |
| Fuel Consumption Overall | 15.5 L/100km | 10.1 L/100km |
| Fuel Tank Capacity | 70 L | 52 L |
