2005 Audi A3 vs. 2003 Opel Astra
To start off, 2005 Audi A3 is newer by 2 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 3,196 cc (6 cylinders), 2005 Audi A3 is equipped with a bigger engine. In terms of performance, 2005 Audi A3 (247 HP @ 6300 RPM) has 158 more horse power than 2003 Opel Astra. (89 HP @ 6000 RPM). In normal driving conditions, 2005 Audi A3 should accelerate faster than 2003 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A3 weights approximately 335 kg more than 2003 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi A3 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, 2005 Audi A3 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, 2005 Audi A3 (330 Nm @ 2800 RPM) has 205 more torque (in Nm) than 2003 Opel Astra. (125 Nm @ 4000 RPM). This means 2005 Audi A3 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Astra.
Compare all specifications:
| 2005 Audi A3 | 2003 Opel Astra | |
| Make | Audi | Opel |
| Model | A3 | Astra |
| Year Released | 2005 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 3196 cc | 1388 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 247 HP | 89 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 330 Nm | 125 Nm |
| Torque RPM | 2800 RPM | 4000 RPM |
| Engine Bore Size | 84.1 mm | 77.6 mm |
| Engine Stroke Size | 95.9 mm | 73.4 mm |
| Engine Compression Ratio | 11.3:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 1525 kg | 1190 kg |
| Vehicle Length | 4210 mm | 4260 mm |
| Vehicle Width | 1770 mm | 1720 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2760 mm | 2620 mm |
| Fuel Tank Capacity | 55 L | 52 L |
