2005 Opel Astra vs. 2011 Audi A4
To start off, 2011 Audi A4 is newer by 6 year(s). Which means there will be less support and parts availability for 2005 Opel Astra. In addition, the cost of maintenance, including insurance, on 2005 Opel Astra would be higher. At 2,000 cc (4 cylinders), 2011 Audi A4 is equipped with a bigger engine. In terms of performance, 2011 Audi A4 (211 HP @ 4300 RPM) has 126 more horse power than 2005 Opel Astra. (85 HP @ 5800 RPM) In normal driving conditions, 2011 Audi A4 should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2011 Audi A4 weights approximately 350 kg more than 2005 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, 2011 Audi A4 (349 Nm @ 1500 RPM) has 222 more torque (in Nm) than 2005 Opel Astra. (127 Nm @ 4000 RPM). This means 2011 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra.
Compare all specifications:
| 2005 Opel Astra | 2011 Audi A4 | |
| Make | Opel | Audi |
| Model | Astra | A4 |
| Year Released | 2005 | 2011 |
| Engine Position | Front | Front |
| Engine Size | 1388 cc | 2000 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 85 HP | 211 HP |
| Engine RPM | 5800 RPM | 4300 RPM |
| Torque | 127 Nm | 349 Nm |
| Torque RPM | 4000 RPM | 1500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | CVT |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1250 kg | 1600 kg |
| Vehicle Length | 4520 mm | 4704 mm |
| Vehicle Width | 1800 mm | 1829 mm |
| Vehicle Height | 1510 mm | 1427 mm |
| Wheelbase Size | 3010 mm | 2809 mm |
