2005 Audi S6 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 S6. In addition, the cost of maintenance, including insurance, on 2005 Audi S6 would be higher. At 4,172 cc (8 cylinders), 2005 Audi S6 is equipped with a bigger engine. In terms of performance, 2005 Audi S6 (335 HP @ 7000 RPM) has 231 more horse power than 2007 Opel Astra. (104 HP @ 6000 RPM). In normal driving conditions, 2005 Audi S6 should accelerate faster than 2007 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S6 weights approximately 445 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 S6 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 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, 2005 Audi S6 (420 Nm @ 3400 RPM) has 270 more torque (in Nm) than 2007 Opel Astra. (150 Nm @ 3900 RPM). This means 2005 Audi S6 will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Astra. 2005 Audi S6 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 S6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Audi S6 | 2007 Opel Astra | |
| Make | Audi | Opel |
| Model | S6 | Astra |
| Year Released | 2005 | 2007 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 1598 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 335 HP | 104 HP |
| Engine RPM | 7000 RPM | 6000 RPM |
| Torque | 420 Nm | 150 Nm |
| Torque RPM | 3400 RPM | 3900 RPM |
| Engine Bore Size | 84.5 mm | 79 mm |
| Engine Stroke Size | 93 mm | 81.5 mm |
| Engine Compression Ratio | 11.0:1 | 10.5:1 |
| Top Speed | 250 km/hour | 185 km/hour |
| Acceleration 0-100mph | 6.7 seconds | 13 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1760 kg | 1315 kg |
| Wheelbase Size | 2770 mm | 2710 mm |
| Fuel Tank Capacity | 82 L | 52 L |
