2009 Mazda 6 vs. 2007 Opel Astra
To start off, 2009 Mazda 6 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Opel Astra. In addition, the cost of maintenance, including insurance, on 2007 Opel Astra would be higher. At 2,489 cc (4 cylinders), 2009 Mazda 6 is equipped with a bigger engine. In terms of performance, 2009 Mazda 6 (171 HP @ 6000 RPM) has 66 more horse power than 2007 Opel Astra. (105 HP @ 6000 RPM). In normal driving conditions, 2009 Mazda 6 should accelerate faster than 2007 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Astra weights approximately 310 kg more than 2009 Mazda 6.
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, 2009 Mazda 6 (226 Nm @ 4000 RPM) has 76 more torque (in Nm) than 2007 Opel Astra. (150 Nm @ 3900 RPM). This means 2009 Mazda 6 will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Astra. 2007 Opel Astra has automatic transmission and 2009 Mazda 6 has manual transmission. 2009 Mazda 6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Opel Astra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Mazda 6 | 2007 Opel Astra | |
| Make | Mazda | Opel |
| Model | 6 | Astra |
| Year Released | 2009 | 2007 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2489 cc | 1598 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 171 HP | 105 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 226 Nm | 150 Nm |
| Torque RPM | 4000 RPM | 3900 RPM |
| Engine Compression Ratio | 10.8:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 955 kg | 1265 kg |
| Vehicle Length | 4930 mm | 4300 mm |
| Vehicle Width | 1850 mm | 1760 mm |
| Vehicle Height | 1480 mm | 1440 mm |
| Wheelbase Size | 2800 mm | 2620 mm |
| Fuel Consumption Highway | 8.1 L/100km | 5.4 L/100km |
| Fuel Consumption Overall | 10.2 L/100km | 6.6 L/100km |
| Fuel Tank Capacity | 70 L | 52 L |
