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 2,967 cc (6 cylinders), 2009 Audi A6 is equipped with a bigger engine. In terms of performance, 2009 Audi A6 (221 HP @ 4000 RPM) has 132 more horse power than 2008 Opel Astra. (89 HP @ 4000 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 493 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 (450 Nm @ 1400 RPM) has 250 more torque (in Nm) than 2008 Opel Astra. (200 Nm @ 1750 RPM). This means 2009 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2008 Opel Astra.
Compare all specifications:
| 2009 Audi A6 | 2008 Opel Astra | |
| Make | Audi | Opel |
| Model | A6 | Astra |
| Year Released | 2009 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 2967 cc | 1248 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 221 HP | 89 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 450 Nm | 200 Nm |
| Torque RPM | 1400 RPM | 1750 RPM |
| Engine Bore Size | 83 mm | 69.6 mm |
| Engine Stroke Size | 91.4 mm | 82 mm |
| Engine Compression Ratio | 17.0:1 | 18.0:1 |
| Fuel Type | Diesel | Diesel |
| Top Speed | 240 km/hour | 172 km/hour |
| Acceleration 0-100mph | 7.3 seconds | 13.7 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1825 kg | 1332 kg |
| Vehicle Length | 4940 mm | 4260 mm |
| Vehicle Width | 1860 mm | 1760 mm |
| Vehicle Height | 1470 mm | 1470 mm |
| Wheelbase Size | 2850 mm | 2620 mm |
| Fuel Consumption Overall | 8 L/100km | 4.8 L/100km |
| Fuel Tank Capacity | 80 L | 52 L |
