2005 Audi A6 vs. 2004 Opel Astra
To start off, 2005 Audi A6 is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Opel Astra. In addition, the cost of maintenance, including insurance, on 2004 Opel Astra would be higher. At 2,976 cc (6 cylinders), 2005 Audi A6 is equipped with a bigger engine. In terms of performance, 2005 Audi A6 (217 HP @ 3200 RPM) has 20 more horse power than 2004 Opel Astra. (197 HP @ 5400 RPM). In normal driving conditions, 2005 Audi A6 should accelerate faster than 2004 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A6 weights approximately 170 kg more than 2004 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2004 Opel Astra. In wet, icy, snow, or gravel driving conditions, 2005 Audi A6 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 A6 (300 Nm @ 3200 RPM) has 80 more torque (in Nm) than 2004 Opel Astra. (220 Nm @ 1950 RPM). This means 2005 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Astra.
Compare all specifications:
| 2005 Audi A6 | 2004 Opel Astra | |
| Make | Audi | Opel |
| Model | A6 | Astra |
| Year Released | 2005 | 2004 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2976 cc | 1996 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 217 HP | 197 HP |
| Engine RPM | 3200 RPM | 5400 RPM |
| Torque | 300 Nm | 220 Nm |
| Torque RPM | 3200 RPM | 1950 RPM |
| Engine Bore Size | 82.5 mm | 86 mm |
| Engine Stroke Size | 92.8 mm | 86 mm |
| Engine Compression Ratio | 10.5:1 | 8.8:1 |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1535 kg | 1365 kg |
| Vehicle Length | 4800 mm | 4300 mm |
| Vehicle Width | 1820 mm | 1800 mm |
| Vehicle Height | 1460 mm | 1470 mm |
| Wheelbase Size | 2660 mm | 2640 mm |
| Fuel Tank Capacity | 70 L | 70 L |
