2004 Audi A4 vs. 2006 Opel Astra
To start off, 2006 Opel Astra is newer by 2 year(s). Which means there will be less support and parts availability for 2004 Audi A4. In addition, the cost of maintenance, including insurance, on 2004 Audi A4 would be higher. At 1,984 cc (4 cylinders), 2004 Audi A4 is equipped with a bigger engine. In terms of performance, 2004 Audi A4 (197 HP @ 5100 RPM) has 98 more horse power than 2006 Opel Astra. (99 HP @ 4400 RPM). In normal driving conditions, 2004 Audi A4 should accelerate faster than 2006 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A4 weights approximately 220 kg more than 2006 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2006 Opel Astra. In wet, icy, snow, or gravel driving conditions, 2004 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, 2004 Audi A4 (280 Nm @ 1800 RPM) has 40 more torque (in Nm) than 2006 Opel Astra. (240 Nm @ 2300 RPM). This means 2004 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Astra. 2004 Audi A4 has automatic transmission and 2006 Opel Astra has manual transmission. 2006 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 Audi A4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Audi A4 | 2006 Opel Astra | |
| Make | Audi | Opel |
| Model | A4 | Astra |
| Year Released | 2004 | 2006 |
| Body Type | Station Wagon | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 1686 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 197 HP | 99 HP |
| Engine RPM | 5100 RPM | 4400 RPM |
| Torque | 280 Nm | 240 Nm |
| Torque RPM | 1800 RPM | 2300 RPM |
| Engine Bore Size | 82.5 mm | 79 mm |
| Engine Stroke Size | 92.8 mm | 86 mm |
| Engine Compression Ratio | 10.5:1 | 18.4:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 230 km/hour | 182 km/hour |
| Acceleration 0-100mph | 8 seconds | 12.5 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 1585 kg | 1365 kg |
| Vehicle Length | 4590 mm | 4300 mm |
| Vehicle Width | 1780 mm | 1760 mm |
| Vehicle Height | 1430 mm | 1440 mm |
| Wheelbase Size | 2470 mm | 2620 mm |
| Fuel Consumption Highway | 7.3 L/100km | 4.2 L/100km |
| Fuel Consumption Overall | 9.5 L/100km | 5 L/100km |
| Fuel Tank Capacity | 63 L | 52 L |
