2008 Audi S6 vs. 2006 Opel Astra
To start off, 2008 Audi S6 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 4,172 cc (8 cylinders), 2008 Audi S6 is equipped with a bigger engine. In terms of performance, 2008 Audi S6 (335 HP @ 7000 RPM) has 187 more horse power than 2006 Opel Astra. (148 HP @ 4000 RPM). In normal driving conditions, 2008 Audi S6 should accelerate faster than 2006 Opel Astra.
Because 2008 Audi S6 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 S6 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 S6 (420 Nm @ 3400 RPM) has 100 more torque (in Nm) than 2006 Opel Astra. (320 Nm @ 2000 RPM). This means 2008 Audi S6 will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Astra.
Compare all specifications:
| 2008 Audi S6 | 2006 Opel Astra | |
| Make | Audi | Opel |
| Model | S6 | Astra |
| Year Released | 2008 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 1910 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 335 HP | 148 HP |
| Engine RPM | 7000 RPM | 4000 RPM |
| Torque | 420 Nm | 320 Nm |
| Torque RPM | 3400 RPM | 2000 RPM |
| Engine Bore Size | 84.5 mm | 83 mm |
| Engine Stroke Size | 93 mm | 92 mm |
| Engine Compression Ratio | 11.0:1 | 17.5:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Width | 1860 mm | 1760 mm |
