2009 Audi A4 vs. 2010 Opel Astra
To start off, 2010 Opel Astra is newer by 1 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 2,698 cc (6 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2010 Opel Astra (197 HP @ 5400 RPM) has 10 more horse power than 2009 Audi A4. (187 HP @ 3500 RPM) In normal driving conditions, 2010 Opel Astra should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 45 kg more than 2010 Opel Astra.
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 (400 Nm @ 1400 RPM) has 138 more torque (in Nm) than 2010 Opel Astra. (262 Nm @ 1950 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2010 Opel Astra.
Compare all specifications:
| 2009 Audi A4 | 2010 Opel Astra | |
| Make | Audi | Opel |
| Model | A4 | Astra |
| Year Released | 2009 | 2010 |
| Engine Position | Front | Front |
| Engine Size | 2698 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | 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 |
| Acceleration 0-100mph | 7.9 seconds | 8.1 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1670 kg | 1625 kg |
| Vehicle Length | 4710 mm | 4300 mm |
| Vehicle Width | 1830 mm | 1760 mm |
| Vehicle Height | 1430 mm | 1440 mm |
| Wheelbase Size | 2810 mm | 2620 mm |
| Fuel Consumption Overall | 6 L/100km | 9.3 L/100km |
| Fuel Tank Capacity | 65 L | 52 L |
