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 1,796 cc (4 cylinders), 2010 Opel Astra is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (187 HP @ 5700 RPM) has 64 more horse power than 2010 Opel Astra. (123 HP @ 4000 RPM). In normal driving conditions, 2009 Audi A4 should accelerate faster than 2010 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 77 kg more than 2010 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2010 Opel Astra. In wet, icy, snow, or gravel driving conditions, 2009 Audi A4 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, 2010 Opel Astra (280 Nm @ 2000 RPM) has 40 more torque (in Nm) than 2009 Audi A4. (240 Nm @ 1950 RPM). This means 2010 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A4. 2010 Opel Astra has automatic transmission and 2009 Audi A4 has manual transmission. 2009 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2010 Opel Astra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi A4 | 2010 Opel Astra | |
| Make | Audi | Opel |
| Model | A4 | Astra |
| Year Released | 2009 | 2010 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 187 HP | 123 HP |
| Engine RPM | 5700 RPM | 4000 RPM |
| Torque | 240 Nm | 280 Nm |
| Torque RPM | 1950 RPM | 2000 RPM |
| Engine Bore Size | 81 mm | 82 mm |
| Engine Stroke Size | 86.4 mm | 90.4 mm |
| Engine Compression Ratio | 9.3:1 | 17.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 234 km/hour | 191 km/hour |
| Acceleration 0-100mph | 8.3 seconds | 10.5 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1475 kg | 1398 kg |
| Vehicle Length | 4550 mm | 4260 mm |
| Vehicle Width | 1780 mm | 1760 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2660 mm | 2620 mm |
| Fuel Consumption Overall | 9.4 L/100km | 6 L/100km |
| Fuel Tank Capacity | 66 L | 52 L |
