2004 Audi A6 vs. 2005 Opel Astra
To start off, 2005 Opel Astra is newer by 1 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 1,995 cc (4 cylinders), 2005 Opel Astra is equipped with a bigger engine. In terms of performance, 2005 Opel Astra (148 HP @ 4000 RPM) has 10 more horse power than 2004 Audi A6. (138 HP @ 4000 RPM) In normal driving conditions, 2005 Opel Astra should accelerate faster than 2004 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A6 weights approximately 340 kg more than 2005 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, both vehicles can yield 320 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles.
Compare all specifications:
| 2004 Audi A6 | 2005 Opel Astra | |
| Make | Audi | Opel |
| Model | A6 | Astra |
| Year Released | 2004 | 2005 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1968 cc | 1995 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 148 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 320 Nm | 320 Nm |
| Torque RPM | 1750 RPM | 2000 RPM |
| Engine Compression Ratio | 19.5:1 | 17.5:1 |
| Fuel Type | Diesel | Diesel |
| Acceleration 0-100mph | 10.3 seconds | 8.9 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1540 kg | 1200 kg |
| Vehicle Length | 4920 mm | 4300 mm |
| Vehicle Width | 1860 mm | 1800 mm |
| Vehicle Height | 1470 mm | 1440 mm |
| Wheelbase Size | 2850 mm | 2400 mm |
| Fuel Consumption | 4.8 L/100km | 4.9 L/100km |
| Fuel Consumption City | 8 L/100km | 7.4 L/100km |
| Fuel Consumption Overall | 6 L/100km | 5.8 L/100km |
| Fuel Tank Capacity | 70 L | 52 L |
