2008 Audi A4 vs. 2007 Opel Astra
To start off, 2008 Audi A4 is newer by 1 year(s). Which means there will be less support and parts availability for 2007 Opel Astra. In addition, the cost of maintenance, including insurance, on 2007 Opel Astra would be higher. At 1,998 cc (4 cylinders), 2007 Opel Astra is equipped with a bigger engine. In terms of performance, 2007 Opel Astra (197 HP @ 5400 RPM) has 83 more horse power than 2008 Audi A4. (114 HP @ 4000 RPM) In normal driving conditions, 2007 Opel Astra should accelerate faster than 2008 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Astra weights approximately 110 kg more than 2008 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 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, 2008 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, 2008 Audi A4 (285 Nm @ 1900 RPM) has 23 more torque (in Nm) than 2007 Opel Astra. (262 Nm @ 1950 RPM). This means 2008 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Astra.
Compare all specifications:
| 2008 Audi A4 | 2007 Opel Astra | |
| Make | Audi | Opel |
| Model | A4 | Astra |
| Year Released | 2008 | 2007 |
| Body Type | Station Wagon | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1896 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 114 HP | 197 HP |
| Engine RPM | 4000 RPM | 5400 RPM |
| Torque | 285 Nm | 262 Nm |
| Torque RPM | 1900 RPM | 1950 RPM |
| Engine Bore Size | 79.6 mm | 86.1 mm |
| Engine Stroke Size | 95.5 mm | 86 mm |
| Engine Compression Ratio | 19.0:1 | 8.8:1 |
| Fuel Type | Diesel | Gasoline |
| Acceleration 0-100mph | 10.6 seconds | 7.8 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 1275 kg | 1385 kg |
| Vehicle Length | 4550 mm | 4300 mm |
| Vehicle Width | 1780 mm | 1760 mm |
| Vehicle Height | 1430 mm | 1440 mm |
| Wheelbase Size | 2660 mm | 2620 mm |
| Fuel Consumption Overall | 6.1 L/100km | 9.3 L/100km |
| Fuel Tank Capacity | 70 L | 52 L |
