2007 Audi A6 vs. 2005 Opel Astra
To start off, 2007 Audi A6 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Opel Astra. In addition, the cost of maintenance, including insurance, on 2005 Opel Astra would be higher. At 2,393 cc (6 cylinders), 2007 Audi A6 is equipped with a bigger engine. In terms of performance, 2007 Audi A6 (175 HP @ 6000 RPM) has 55 more horse power than 2005 Opel Astra. (120 HP @ 4000 RPM). In normal driving conditions, 2007 Audi A6 should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A6 weights approximately 245 kg more than 2005 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 2007 Audi A6 (230 Nm @ 3000 RPM) has 60 more torque (in Nm) than 2005 Opel Astra. (170 Nm @ 3800 RPM). This means 2007 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra.
Compare all specifications:
| 2007 Audi A6 | 2005 Opel Astra | |
| Make | Audi | Opel |
| Model | A6 | Astra |
| Year Released | 2007 | 2005 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2393 cc | 1795 cc |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 175 HP | 120 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 230 Nm | 170 Nm |
| Torque RPM | 3000 RPM | 3800 RPM |
| Engine Compression Ratio | 11.0:1 | 10.5:1 |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1480 kg | 1235 kg |
| Vehicle Length | 4800 mm | 4520 mm |
| Wheelbase Size | 2770 mm | 2740 mm |
| Fuel Tank Capacity | 70 L | 52 L |
