2005 Audi A4 vs. 2001 Opel Astra
To start off, 2005 Audi A4 is newer by 4 year(s). Which means there will be less support and parts availability for 2001 Opel Astra. In addition, the cost of maintenance, including insurance, on 2001 Opel Astra would be higher. At 2,983 cc (6 cylinders), 2005 Audi A4 is equipped with a bigger engine. In terms of performance, 2005 Audi A4 (217 HP @ 6300 RPM) has 65 more horse power than 2001 Opel Astra. (152 HP @ 5400 RPM). In normal driving conditions, 2005 Audi A4 should accelerate faster than 2001 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 285 kg more than 2001 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2001 Opel Astra. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Audi A4 (301 Nm @ 3200 RPM) has 98 more torque (in Nm) than 2001 Opel Astra. (203 Nm @ 4000 RPM). This means 2005 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2001 Opel Astra.
Compare all specifications:
| 2005 Audi A4 | 2001 Opel Astra | |
| Make | Audi | Opel |
| Model | A4 | Astra |
| Year Released | 2005 | 2001 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2983 cc | 2171 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 217 HP | 152 HP |
| Engine RPM | 6300 RPM | 5400 RPM |
| Torque | 301 Nm | 203 Nm |
| Torque RPM | 3200 RPM | 4000 RPM |
| Engine Bore Size | 82.5 mm | 86 mm |
| Engine Stroke Size | 92.8 mm | 94.6 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1675 kg | 1390 kg |
| Vehicle Length | 4580 mm | 4280 mm |
| Vehicle Width | 1780 mm | 1720 mm |
| Vehicle Height | 1400 mm | 1400 mm |
| Wheelbase Size | 2660 mm | 2620 mm |
| Fuel Tank Capacity | 66 L | 53 L |
