2006 Audi A4 vs. 2003 Opel Astra
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 2,967 cc (6 cylinders), 2006 Audi A4 is equipped with a bigger engine. In terms of performance, 2006 Audi A4 (201 HP @ 4000 RPM) has 53 more horse power than 2003 Opel Astra. (148 HP @ 5800 RPM). In normal driving conditions, 2006 Audi A4 should accelerate faster than 2003 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Astra weights approximately 23 kg more than 2006 Audi A4.
Because 2006 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Opel Astra. In wet, icy, snow, or gravel driving conditions, 2006 Audi A4 will offer significantly more control. 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 (450 Nm @ 1400 RPM) has 247 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. 2003 Opel Astra has automatic transmission and 2006 Audi A4 has manual transmission. 2006 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Opel Astra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Audi A4 | 2003 Opel Astra | |
| Make | Audi | Opel |
| Model | A4 | Astra |
| Year Released | 2006 | 2003 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2967 cc | 2198 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 201 HP | 148 HP |
| Engine RPM | 4000 RPM | 5800 RPM |
| Torque | 450 Nm | 203 Nm |
| Torque RPM | 1400 RPM | 4000 RPM |
| Engine Bore Size | 83 mm | 86 mm |
| Engine Stroke Size | 91.4 mm | 94.6 mm |
| Engine Compression Ratio | 17.0:1 | 10.0:1 |
| Top Speed | 235 km/hour | 208 km/hour |
| Acceleration 0-100mph | 7.2 seconds | 10 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1275 kg | 1298 kg |
| Vehicle Length | 4590 mm | 4260 mm |
| Vehicle Width | 1780 mm | 1720 mm |
| Vehicle Height | 1430 mm | 1430 mm |
| Wheelbase Size | 2650 mm | 2740 mm |
| Fuel Consumption Overall | 7.7 L/100km | 8.6 L/100km |
| Fuel Tank Capacity | 63 L | 52 L |
