2005 Audi A6 vs. 2005 Opel Astra
To start off, both 2005 Audi A6 and 2005 Opel Astra were released in the same year (2005). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,496 cc (6 cylinders), 2005 Audi A6 is equipped with a bigger engine. In terms of performance, 2005 Audi A6 (178 HP @ 6000 RPM) has 89 more horse power than 2005 Opel Astra. (89 HP @ 5600 RPM). In normal driving conditions, 2005 Audi A6 should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A6 weights approximately 400 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, 2005 Audi A6 (230 Nm @ 3000 RPM) has 105 more torque (in Nm) than 2005 Opel Astra. (125 Nm @ 4000 RPM). This means 2005 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra. 2005 Audi A6 has automatic transmission and 2005 Opel Astra has manual transmission. 2005 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Audi A6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Audi A6 | 2005 Opel Astra | |
| Make | Audi | Opel |
| Model | A6 | Astra |
| Year Released | 2005 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 2496 cc | 1362 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 178 HP | 89 HP |
| Engine RPM | 6000 RPM | 5600 RPM |
| Torque | 230 Nm | 125 Nm |
| Torque RPM | 3000 RPM | 4000 RPM |
| Engine Bore Size | 81.1 mm | 73.4 mm |
| Engine Stroke Size | 77.4 mm | 80.6 mm |
| Engine Compression Ratio | 10.3:1 | 10.5:1 |
| Acceleration 0-100mph | 9.2 seconds | 13.7 seconds |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1555 kg | 1155 kg |
| Vehicle Length | 4920 mm | 4260 mm |
| Vehicle Width | 1860 mm | 1760 mm |
| Vehicle Height | 1470 mm | 1470 mm |
| Wheelbase Size | 2850 mm | 2710 mm |
| Fuel Consumption Overall | 9.8 L/100km | 6.3 L/100km |
| Fuel Tank Capacity | 70 L | 52 L |
