2004 Audi A6 vs. 2008 Opel Astra
To start off, 2008 Opel Astra is newer by 4 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, 2004 Audi A6 (138 HP @ 4000 RPM) has 15 more horse power than 2008 Opel Astra. (123 HP @ 4000 RPM). In normal driving conditions, 2004 Audi A6 should accelerate faster than 2008 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A6 weights approximately 145 kg more than 2008 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, 2004 Audi A6 (320 Nm @ 1750 RPM) has 40 more torque (in Nm) than 2008 Opel Astra. (280 Nm @ 2000 RPM). This means 2004 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2008 Opel Astra. 2008 Opel Astra has automatic transmission and 2004 Audi A6 has manual transmission. 2004 Audi A6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Opel Astra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Audi A6 | 2008 Opel Astra | |
| Make | Audi | Opel |
| Model | A6 | Astra |
| Year Released | 2004 | 2008 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1968 cc | 1796 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 123 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 320 Nm | 280 Nm |
| Torque RPM | 1750 RPM | 2000 RPM |
| Engine Compression Ratio | 19.5:1 | 17.5:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 205 km/hour | 186 km/hour |
| Acceleration 0-100mph | 10.3 seconds | 10.5 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1540 kg | 1395 kg |
| Vehicle Length | 4920 mm | 4260 mm |
| Vehicle Width | 1860 mm | 1760 mm |
| Vehicle Height | 1470 mm | 1470 mm |
| Wheelbase Size | 2850 mm | 2620 mm |
| Fuel Consumption Overall | 6 L/100km | 6 L/100km |
| Fuel Tank Capacity | 70 L | 52 L |
