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 3,121 cc, 2007 Audi A4 is equipped with a bigger engine. In terms of performance, 2007 Audi A4 (252 HP @ 5100 RPM) has 129 more horse power than 2005 Opel Astra. (123 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 355 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 49 more torque (in Nm) than 2005 Opel Astra. (281 Nm @ 1500 RPM). This means 2007 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra. 2007 Audi A4 has automatic transmission and 2005 Opel Astra has manual transmission. 2005 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Audi A4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Audi A4 | 2005 Opel Astra | |
| Make | Audi | Opel |
| Model | A4 | Astra |
| Year Released | 2007 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 3121 cc | 2172 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 252 HP | 123 HP |
| Engine RPM | 5100 RPM | 4000 RPM |
| Torque | 330 Nm | 281 Nm |
| Torque RPM | 3250 RPM | 1500 RPM |
| Engine Bore Size | 84.5 mm | 84 mm |
| Engine Stroke Size | 92.8 mm | 98 mm |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 250 km/hour | 207 km/hour |
| Acceleration 0-100mph | 7.4 seconds | 9.9 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1740 kg | 1385 kg |
| Vehicle Length | 4580 mm | 4270 mm |
| Vehicle Width | 1400 mm | 1720 mm |
| Vehicle Height | 1780 mm | 1400 mm |
| Wheelbase Size | 2660 mm | 2530 mm |
| Fuel Consumption Overall | 11.1 L/100km | 6.3 L/100km |
| Fuel Tank Capacity | 70 L | 52 L |
