2003 Opel Astra vs. 2007 Audi A4
To start off, 2007 Audi A4 is newer by 4 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), 2007 Audi A4 is equipped with a bigger engine. In terms of performance, 2007 Audi A4 (222 HP @ 4000 RPM) has 78 more horse power than 2003 Opel Astra. (144 HP @ 5800 RPM) In normal driving conditions, 2007 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 105 kg more than 2007 Audi A4.
Because 2007 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, 2007 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, 2007 Audi A4 (450 Nm @ 1400 RPM) has 247 more torque (in Nm) than 2003 Opel Astra. (203 Nm @ 4000 RPM). This means 2007 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 | 2007 Audi A4 | |
| Make | Opel | Audi |
| Model | Astra | A4 |
| Year Released | 2003 | 2007 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2172 cc | 2967 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 144 HP | 222 HP |
| Engine RPM | 5800 RPM | 4000 RPM |
| Torque | 203 Nm | 450 Nm |
| Torque RPM | 4000 RPM | 1400 RPM |
| Engine Bore Size | 86 mm | 83 mm |
| Engine Stroke Size | 94.6 mm | 91.4 mm |
| Engine Compression Ratio | 10.0:1 | 17.0:1 |
| Top Speed | 202 km/hour | 235 km/hour |
| Acceleration 0-100mph | 10.5 seconds | 7.5 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1380 kg | 1275 kg |
| Vehicle Length | 4290 mm | 4590 mm |
| Vehicle Width | 1720 mm | 1780 mm |
| Vehicle Height | 1520 mm | 1430 mm |
| Wheelbase Size | 2640 mm | 2660 mm |
| Fuel Consumption Overall | 8.8 L/100km | 7.6 L/100km |
| Fuel Tank Capacity | 52 L | 70 L |
