2004 Audi A4 vs. 2004 Opel Astra
To start off, both 2004 Audi A4 and 2004 Opel Astra were released in the same year (2004). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,981 cc (6 cylinders), 2004 Audi A4 is equipped with a bigger engine. In terms of performance, 2004 Audi A4 (217 HP @ 4000 RPM) has 20 more horse power than 2004 Opel Astra. (197 HP @ 5400 RPM). In normal driving conditions, 2004 Audi A4 should accelerate faster than 2004 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A4 weights approximately 344 kg more than 2004 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, 2004 Audi A4 (300 Nm) has 38 more torque (in Nm) than 2004 Opel Astra. (262 Nm). This means 2004 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Astra.
Compare all specifications:
| 2004 Audi A4 | 2004 Opel Astra | |
| Make | Audi | Opel |
| Model | A4 | Astra |
| Year Released | 2004 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 2981 cc | 1994 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 217 HP | 197 HP |
| Engine RPM | 4000 RPM | 5400 RPM |
| Torque | 300 Nm | 262 Nm |
| Engine Bore Size | 83 mm | 86 mm |
| Engine Stroke Size | 93 mm | 86 mm |
| Engine Compression Ratio | 10.1:1 | 8.8:1 |
| Drive Type | Front | Front |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1730 kg | 1386 kg |
| Vehicle Length | 4580 mm | 4260 mm |
| Vehicle Width | 1780 mm | 1760 mm |
| Vehicle Height | 1400 mm | 1470 mm |
| Wheelbase Size | 2660 mm | 2740 mm |
| Fuel Consumption Highway | 8.7 L/100km | 7.1 L/100km |
| Fuel Consumption City | 11.8 L/100km | 13.1 L/100km |
| Fuel Consumption Overall | 10.2 L/100km | 9.3 L/100km |
| Fuel Tank Capacity | 70 L | 52 L |
