2009 Audi A5 vs. 2012 Opel Astra
To start off, 2012 Opel Astra is newer by 3 year(s). Which means there will be less support and parts availability for 2009 Audi A5. In addition, the cost of maintenance, including insurance, on 2009 Audi A5 would be higher. At 2,698 cc (6 cylinders), 2009 Audi A5 is equipped with a bigger engine. In terms of performance, 2012 Opel Astra (197 HP @ 5400 RPM) has 10 more horse power than 2009 Audi A5. (187 HP @ 3500 RPM) In normal driving conditions, 2012 Opel Astra should accelerate faster than 2009 Audi A5. With that said, vehicle weight also plays an important factor in acceleration. 2012 Opel Astra weights approximately 50 kg more than 2009 Audi A5. 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, 2009 Audi A5 (400 Nm @ 1400 RPM) has 138 more torque (in Nm) than 2012 Opel Astra. (262 Nm @ 1950 RPM). This means 2009 Audi A5 will have an easier job in driving up hills or pulling heavy equipment than 2012 Opel Astra.
Compare all specifications:
| 2009 Audi A5 | 2012 Opel Astra | |
| Make | Audi | Opel |
| Model | A5 | Astra |
| Year Released | 2009 | 2012 |
| Engine Position | Front | Front |
| Engine Size | 2698 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 187 HP | 197 HP |
| Engine RPM | 3500 RPM | 5400 RPM |
| Torque | 400 Nm | 262 Nm |
| Torque RPM | 1400 RPM | 1950 RPM |
| Engine Compression Ratio | 16.8:1 | 8.8:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 232 km/hour | 234 km/hour |
| Acceleration 0-100mph | 7.9 seconds | 7.8 seconds |
| Drive Type | Front | Front |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1575 kg | 1625 kg |
| Vehicle Length | 4630 mm | 4300 mm |
| Vehicle Width | 1860 mm | 1760 mm |
| Vehicle Height | 1380 mm | 1440 mm |
| Wheelbase Size | 2760 mm | 2620 mm |
| Fuel Consumption Overall | 6.7 L/100km | 9.3 L/100km |
| Fuel Tank Capacity | 65 L | 52 L |
