2007 Mazda 6 vs. 2005 Opel Astra
To start off, 2007 Mazda 6 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 1,798 cc (4 cylinders), 2007 Mazda 6 is equipped with a bigger engine. In terms of performance, 2007 Mazda 6 (118 HP @ 5500 RPM) has 29 more horse power than 2005 Opel Astra. (89 HP @ 5600 RPM). In normal driving conditions, 2007 Mazda 6 should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mazda 6 weights approximately 145 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, 2007 Mazda 6 (165 Nm @ 4500 RPM) has 40 more torque (in Nm) than 2005 Opel Astra. (125 Nm @ 4000 RPM). This means 2007 Mazda 6 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra.
Compare all specifications:
| 2007 Mazda 6 | 2005 Opel Astra | |
| Make | Mazda | Opel |
| Model | 6 | Astra |
| Year Released | 2007 | 2005 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1798 cc | 1364 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 118 HP | 89 HP |
| Engine RPM | 5500 RPM | 5600 RPM |
| Torque | 165 Nm | 125 Nm |
| Torque RPM | 4500 RPM | 4000 RPM |
| Engine Compression Ratio | 10.8:1 | 10.5:1 |
| Top Speed | 192 km/hour | 180 km/hour |
| Acceleration 0-100mph | 10.7 seconds | 13.9 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 | 1345 kg | 1200 kg |
| Vehicle Length | 4690 mm | 4300 mm |
| Vehicle Width | 1790 mm | 1760 mm |
| Vehicle Height | 1440 mm | 1440 mm |
| Wheelbase Size | 2680 mm | 2610 mm |
| Fuel Consumption Overall | 8.3 L/100km | 6.3 L/100km |
| Fuel Tank Capacity | 64 L | 52 L |
