2003 Opel Astra vs. 2006 Audi A4
To start off, 2006 Audi A4 is newer by 3 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 2,198 cc (4 cylinders), 2003 Opel Astra is equipped with a bigger engine. In terms of performance, 2003 Opel Astra (145 HP @ 5800 RPM) has 7 more horse power than 2006 Audi A4. (138 HP @ 4000 RPM). In normal driving conditions, 2003 Opel Astra should accelerate faster than 2006 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Astra weights approximately 23 kg more than 2006 Audi A4. 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, 2006 Audi A4 (321 Nm @ 1750 RPM) has 118 more torque (in Nm) than 2003 Opel Astra. (203 Nm @ 4000 RPM). This means 2006 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Astra.
Compare all specifications:
| 2003 Opel Astra | 2006 Audi A4 | |
| Make | Opel | Audi |
| Model | Astra | A4 |
| Year Released | 2003 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 2198 cc | 1968 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 145 HP | 138 HP |
| Engine RPM | 5800 RPM | 4000 RPM |
| Torque | 203 Nm | 321 Nm |
| Torque RPM | 4000 RPM | 1750 RPM |
| Engine Bore Size | 86 mm | 81 mm |
| Engine Stroke Size | 94.6 mm | 95.5 mm |
| Top Speed | 208 km/hour | 207 km/hour |
| Acceleration 0-100mph | 10 seconds | 9.9 seconds |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1298 kg | 1275 kg |
| Vehicle Length | 4120 mm | 4550 mm |
| Vehicle Width | 1720 mm | 1780 mm |
| Vehicle Height | 1430 mm | 1430 mm |
| Wheelbase Size | 2500 mm | 2660 mm |
| Fuel Consumption Overall | 8.4 L/100km | 5.8 L/100km |
| Fuel Tank Capacity | 52 L | 70 L |
