2004 Audi A6 vs. 2007 Opel Astra
To start off, 2007 Opel Astra is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Audi A6. In addition, the cost of maintenance, including insurance, on 2004 Audi A6 would be higher. At 1,968 cc (4 cylinders), 2004 Audi A6 is equipped with a bigger engine. In terms of performance, both vehicles can yield 138 horse power. So under normal driving conditions, the acceleration of both vehicles should be relatively similar. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A6 weights approximately 262 kg more than 2007 Opel Astra.
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, 2004 Audi A6 (320 Nm @ 1750 RPM) has 145 more torque (in Nm) than 2007 Opel Astra. (175 Nm @ 3800 RPM). This means 2004 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Astra.
Compare all specifications:
| 2004 Audi A6 | 2007 Opel Astra | |
| Make | Audi | Opel |
| Model | A6 | Astra |
| Year Released | 2004 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1968 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 138 HP |
| Engine RPM | 4000 RPM | 5600 RPM |
| Torque | 320 Nm | 175 Nm |
| Torque RPM | 1750 RPM | 3800 RPM |
| Engine Compression Ratio | 19.5:1 | 10.5:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 205 km/hour | 210 km/hour |
| Acceleration 0-100mph | 10.3 seconds | 10.4 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1540 kg | 1278 kg |
| Vehicle Length | 4920 mm | 4300 mm |
| Vehicle Width | 1860 mm | 1760 mm |
| Vehicle Height | 1470 mm | 1440 mm |
| Wheelbase Size | 2850 mm | 2620 mm |
| Fuel Consumption | 4.8 L/100km | 6.2 L/100km |
| Fuel Consumption City | 8 L/100km | 11.3 L/100km |
| Fuel Consumption Overall | 6 L/100km | 7.3 L/100km |
| Fuel Tank Capacity | 70 L | 52 L |
