2007 Audi A6 vs. 2005 Opel Astra
To start off, 2007 Audi A6 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Opel Astra. In addition, the cost of maintenance, including insurance, on 2005 Opel Astra would be higher. At 1,968 cc (4 cylinders), 2007 Audi A6 is equipped with a bigger engine. In terms of performance, 2007 Audi A6 (138 HP @ 4000 RPM) has 40 more horse power than 2005 Opel Astra. (98 HP @ 4400 RPM). In normal driving conditions, 2007 Audi A6 should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Astra weights approximately 32 kg more than 2007 Audi A6.
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, 2007 Audi A6 (320 Nm @ 1750 RPM) has 80 more torque (in Nm) than 2005 Opel Astra. (240 Nm @ 2300 RPM). This means 2007 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra.
Compare all specifications:
| 2007 Audi A6 | 2005 Opel Astra | |
| Make | Audi | Opel |
| Model | A6 | Astra |
| Year Released | 2007 | 2005 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1968 cc | 1248 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 98 HP |
| Engine RPM | 4000 RPM | 4400 RPM |
| Torque | 320 Nm | 240 Nm |
| Torque RPM | 1750 RPM | 2300 RPM |
| Engine Bore Size | 81 mm | 69.6 mm |
| Engine Stroke Size | 95.5 mm | 82 mm |
| Engine Compression Ratio | 18.0:1 | 18.4:1 |
| Top Speed | 227 km/hour | 174 km/hour |
| Acceleration 0-100mph | 8.4 seconds | 13.6 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 | 1278 kg | 1310 kg |
| Vehicle Length | 4800 mm | 4300 mm |
| Vehicle Width | 1820 mm | 1760 mm |
| Vehicle Height | 1460 mm | 1440 mm |
| Wheelbase Size | 2770 mm | 2520 mm |
| Fuel Consumption Overall | 9.9 L/100km | 5 L/100km |
| Fuel Tank Capacity | 70 L | 52 L |
