2007 Audi A4 vs. 2005 Opel Astra
To start off, 2007 Audi A4 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Opel Astra. In addition, the cost of maintenance, including insurance, on 2005 Opel Astra would be higher. At 3,188 cc (6 cylinders), 2007 Audi A4 is equipped with a bigger engine. In terms of performance, 2007 Audi A4 (252 HP @ 6500 RPM) has 163 more horse power than 2005 Opel Astra. (89 HP @ 4000 RPM). In normal driving conditions, 2007 Audi A4 should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A4 weights approximately 295 kg more than 2005 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2005 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 (330 Nm @ 3250 RPM) has 129 more torque (in Nm) than 2005 Opel Astra. (201 Nm @ 1750 RPM). This means 2007 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra.
Compare all specifications:
| 2007 Audi A4 | 2005 Opel Astra | |
| Make | Audi | Opel |
| Model | A4 | Astra |
| Year Released | 2007 | 2005 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3188 cc | 1686 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 252 HP | 89 HP |
| Engine RPM | 6500 RPM | 4000 RPM |
| Torque | 330 Nm | 201 Nm |
| Torque RPM | 3250 RPM | 1750 RPM |
| Engine Bore Size | 84.5 mm | 79 mm |
| Engine Stroke Size | 92.8 mm | 86 mm |
| Top Speed | 254 km/hour | 182 km/hour |
| Acceleration 0-100mph | 6.4 seconds | 12.2 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1610 kg | 1315 kg |
| Vehicle Length | 4590 mm | 4300 mm |
| Vehicle Width | 1780 mm | 1760 mm |
| Vehicle Height | 1430 mm | 1440 mm |
| Wheelbase Size | 2660 mm | 2640 mm |
| Fuel Consumption Overall | 10.6 L/100km | 5 L/100km |
| Fuel Tank Capacity | 70 L | 52 L |
