2005 Audi A4 vs. 2005 Opel Astra
To start off, both 2005 Audi A4 and 2005 Opel Astra were released in the same year (2005). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 1,908 cc (4 cylinders), 2005 Opel Astra is equipped with a bigger engine. In terms of performance, 2005 Audi A4 (101 HP @ 5600 RPM) has 1 more horse power than 2005 Opel Astra. (100 HP @ 4300 RPM). In normal driving conditions, 2005 Audi A4 should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 11 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, 2005 Opel Astra (230 Nm @ 1950 RPM) has 82 more torque (in Nm) than 2005 Audi A4. (148 Nm @ 3800 RPM). This means 2005 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A4.
Compare all specifications:
| 2005 Audi A4 | 2005 Opel Astra | |
| Make | Audi | Opel |
| Model | A4 | Astra |
| Year Released | 2005 | 2005 |
| Body Type | Station Wagon | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1595 cc | 1908 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 101 HP | 100 HP |
| Engine RPM | 5600 RPM | 4300 RPM |
| Torque | 148 Nm | 230 Nm |
| Torque RPM | 3800 RPM | 1950 RPM |
| Engine Bore Size | 81 mm | 84 mm |
| Engine Stroke Size | 77.4 mm | 90 mm |
| Engine Compression Ratio | 10.5:1 | 18.5:1 |
| Top Speed | 186 km/hour | 188 km/hour |
| Acceleration 0-100mph | 13.2 seconds | 12 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 1356 kg | 1345 kg |
| Vehicle Length | 4550 mm | 4120 mm |
| Vehicle Width | 1780 mm | 1720 mm |
| Vehicle Height | 1430 mm | 1430 mm |
| Wheelbase Size | 2660 mm | 2610 mm |
| Fuel Tank Capacity | 70 L | 52 L |
