2008 Audi S4 vs. 2006 Opel Astra
To start off, 2008 Audi S4 is newer by 2 year(s). Which means there will be less support and parts availability for 2006 Opel Astra. In addition, the cost of maintenance, including insurance, on 2006 Opel Astra would be higher. At 4,124 cc (8 cylinders), 2008 Audi S4 is equipped with a bigger engine. In terms of performance, 2008 Audi S4 (456 HP @ 6800 RPM) has 357 more horse power than 2006 Opel Astra. (99 HP @ 4400 RPM). In normal driving conditions, 2008 Audi S4 should accelerate faster than 2006 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi S4 weights approximately 502 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 2008 Audi S4 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, 2008 Audi S4 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 S4 (302 Nm @ 3500 RPM) has 62 more torque (in Nm) than 2006 Opel Astra. (240 Nm @ 2300 RPM). This means 2008 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Astra. 2008 Audi S4 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. 2008 Audi S4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Audi S4 | 2006 Opel Astra | |
| Make | Audi | Opel |
| Model | S4 | Astra |
| Year Released | 2008 | 2006 |
| Body Type | Convertible | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4124 cc | 1686 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 456 HP | 99 HP |
| Engine RPM | 6800 RPM | 4400 RPM |
| Torque | 302 Nm | 240 Nm |
| Torque RPM | 3500 RPM | 2300 RPM |
| Engine Compression Ratio | 11.0:1 | 18.4:1 |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 249 km/hour | 180 km/hour |
| Acceleration 0-100mph | 6.1 seconds | 12.5 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1895 kg | 1393 kg |
| Vehicle Length | 4580 mm | 4520 mm |
| Vehicle Width | 1400 mm | 1760 mm |
| Vehicle Height | 1400 mm | 1510 mm |
| Wheelbase Size | 2660 mm | 2710 mm |
| Fuel Consumption Overall | 16.4 L/100km | 5 L/100km |
| Fuel Tank Capacity | 70 L | 52 L |
