2005 Audi A4 vs. 2003 Opel Astra
To start off, 2005 Audi A4 is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Opel Astra. In addition, the cost of maintenance, including insurance, on 2003 Opel Astra would be higher. At 2,983 cc, 2005 Audi A4 is equipped with a bigger engine. In terms of performance, 2005 Audi A4 (217 HP @ 6300 RPM) has 135 more horse power than 2003 Opel Astra. (82 HP @ 4400 RPM). In normal driving conditions, 2005 Audi A4 should accelerate faster than 2003 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 495 kg more than 2003 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, 2005 Audi A4 (300 Nm @ 3200 RPM) has 115 more torque (in Nm) than 2003 Opel Astra. (185 Nm @ 1500 RPM). This means 2005 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Astra.
Compare all specifications:
| 2005 Audi A4 | 2003 Opel Astra | |
| Make | Audi | Opel |
| Model | A4 | Astra |
| Year Released | 2005 | 2003 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2983 cc | 1998 cc |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 217 HP | 82 HP |
| Engine RPM | 6300 RPM | 4400 RPM |
| Torque | 300 Nm | 185 Nm |
| Torque RPM | 3200 RPM | 1500 RPM |
| Top Speed | 229 km/hour | 170 km/hour |
| Acceleration 0-100mph | 7.8 seconds | 15.5 seconds |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1880 kg | 1385 kg |
| Wheelbase Size | 2850 mm | 2620 mm |
| Fuel Tank Capacity | 70 L | 52 L |
