2008 Audi A4 vs. 2005 Opel Astra
To start off, 2008 Audi A4 is newer by 3 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 1,968 cc (4 cylinders), 2008 Audi A4 is equipped with a bigger engine. In terms of performance, 2008 Audi A4 (139 HP @ 4000 RPM) has 42 more horse power than 2005 Opel Astra. (97 HP @ 6000 RPM). In normal driving conditions, 2008 Audi A4 should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A4 weights approximately 111 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, 2008 Audi A4 (320 Nm @ 1750 RPM) has 178 more torque (in Nm) than 2005 Opel Astra. (142 Nm @ 3600 RPM). This means 2008 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra.
Compare all specifications:
| 2008 Audi A4 | 2005 Opel Astra | |
| Make | Audi | Opel |
| Model | A4 | Astra |
| Year Released | 2008 | 2005 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1968 cc | 1598 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 139 HP | 97 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 320 Nm | 142 Nm |
| Torque RPM | 1750 RPM | 3600 RPM |
| Engine Compression Ratio | 18.0:1 | 9.8:1 |
| Top Speed | 207 km/hour | 193 km/hour |
| Acceleration 0-100mph | 9.9 seconds | 11.5 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1275 kg | 1164 kg |
| Wheelbase Size | 2660 mm | 2610 mm |
| Fuel Consumption Overall | 5.8 L/100km | 7.8 L/100km |
| Fuel Tank Capacity | 70 L | 52 L |
