2005 Audi A4 vs. 2007 Opel Astra
To start off, 2007 Opel Astra is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Audi A4. In addition, the cost of maintenance, including insurance, on 2005 Audi A4 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 (220 HP @ 6300 RPM) has 130 more horse power than 2007 Opel Astra. (90 HP @ 4000 RPM). In normal driving conditions, 2005 Audi A4 should accelerate faster than 2007 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 315 kg more than 2007 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 2007 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 (300 Nm @ 3200 RPM) has 100 more torque (in Nm) than 2007 Opel Astra. (200 Nm @ 1750 RPM). This means 2005 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Astra. 2005 Audi A4 has automatic transmission and 2007 Opel Astra has manual transmission. 2007 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Audi A4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Audi A4 | 2007 Opel Astra | |
| Make | Audi | Opel |
| Model | A4 | Astra |
| Year Released | 2005 | 2007 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2983 cc | 1248 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 220 HP | 90 HP |
| Engine RPM | 6300 RPM | 4000 RPM |
| Torque | 300 Nm | 200 Nm |
| Torque RPM | 3200 RPM | 1750 RPM |
| Engine Bore Size | 83 mm | 69.6 mm |
| Engine Stroke Size | 93 mm | 82 mm |
| Engine Compression Ratio | 10.1:1 | 18.0:1 |
| Top Speed | 238 km/hour | 174 km/hour |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1645 kg | 1330 kg |
| Vehicle Length | 4550 mm | 4300 mm |
| Vehicle Width | 1770 mm | 1760 mm |
| Vehicle Height | 1430 mm | 1440 mm |
| Wheelbase Size | 2660 mm | 2620 mm |
| Fuel Consumption Overall | 11 L/100km | 4.8 L/100km |
| Fuel Tank Capacity | 66 L | 52 L |
