2008 Audi A4 vs. 2008 Opel Astra
To start off, both 2008 Audi A4 and 2008 Opel Astra were released in the same year (2008). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 1,781 cc (4 cylinders), 2008 Audi A4 is equipped with a bigger engine. In terms of performance, 2008 Audi A4 (161 HP @ 5700 RPM) has 72 more horse power than 2008 Opel Astra. (89 HP @ 5600 RPM). In normal driving conditions, 2008 Audi A4 should accelerate faster than 2008 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A4 weights approximately 260 kg more than 2008 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 (225 Nm @ 1950 RPM) has 100 more torque (in Nm) than 2008 Opel Astra. (125 Nm @ 4000 RPM). This means 2008 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2008 Opel Astra.
Compare all specifications:
| 2008 Audi A4 | 2008 Opel Astra | |
| Make | Audi | Opel |
| Model | A4 | Astra |
| Year Released | 2008 | 2008 |
| Body Type | Convertible | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 1362 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 161 HP | 89 HP |
| Engine RPM | 5700 RPM | 5600 RPM |
| Torque | 225 Nm | 125 Nm |
| Torque RPM | 1950 RPM | 4000 RPM |
| Engine Bore Size | 81.1 mm | 73.4 mm |
| Engine Stroke Size | 86.4 mm | 80.6 mm |
| Engine Compression Ratio | 9.0:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 9.4 seconds | 14.1 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1540 kg | 1280 kg |
| Vehicle Length | 4580 mm | 4520 mm |
| Vehicle Width | 1780 mm | 2000 mm |
| Vehicle Height | 1400 mm | 1510 mm |
| Wheelbase Size | 2660 mm | 2710 mm |
| Fuel Consumption Overall | 8.5 L/100km | 6.3 L/100km |
| Fuel Tank Capacity | 70 L | 52 L |
