2009 Audi A4 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 A4. In addition, the cost of maintenance, including insurance, on 2009 Audi A4 would be higher. At 3,197 cc (6 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (261 HP @ 6500 RPM) has 64 more horse power than 2012 Opel Astra. (197 HP @ 5400 RPM). In normal driving conditions, 2009 Audi A4 should accelerate faster than 2012 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 244 kg more than 2012 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, 2009 Audi A4 (330 Nm @ 3000 RPM) has 68 more torque (in Nm) than 2012 Opel Astra. (262 Nm @ 4200 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2012 Opel Astra.
Compare all specifications:
| 2009 Audi A4 | 2012 Opel Astra | |
| Make | Audi | Opel |
| Model | A4 | Astra |
| Year Released | 2009 | 2012 |
| Engine Position | Front | Front |
| Engine Size | 3197 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 261 HP | 197 HP |
| Engine RPM | 6500 RPM | 5400 RPM |
| Torque | 330 Nm | 262 Nm |
| Torque RPM | 3000 RPM | 4200 RPM |
| Engine Compression Ratio | 12.5:1 | 8.8:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Acceleration 0-100mph | 6.4 seconds | 8.2 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1630 kg | 1386 kg |
| Vehicle Length | 4710 mm | 4480 mm |
| Vehicle Width | 1830 mm | 2030 mm |
| Vehicle Height | 1440 mm | 1420 mm |
| Wheelbase Size | 2810 mm | 2620 mm |
| Fuel Consumption Overall | 9.1 L/100km | 7.7 L/100km |
| Fuel Tank Capacity | 64 L | 52 L |
