2009 Mazda 3 vs. 2007 Opel Astra
To start off, 2009 Mazda 3 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 2,260 cc, 2009 Mazda 3 is equipped with a bigger engine. In terms of performance, 2009 Mazda 3 (154 HP @ 6500 RPM) has 31 more horse power than 2007 Opel Astra. (123 HP @ 5600 RPM). In normal driving conditions, 2009 Mazda 3 should accelerate faster than 2007 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mazda 3 weights approximately 266 kg more than 2007 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, 2009 Mazda 3 (203 Nm @ 4500 RPM) has 33 more torque (in Nm) than 2007 Opel Astra. (170 Nm @ 3800 RPM). This means 2009 Mazda 3 will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Astra.
Compare all specifications:
| 2009 Mazda 3 | 2007 Opel Astra | |
| Make | Mazda | Opel |
| Model | 3 | Astra |
| Year Released | 2009 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 2260 cc | 1796 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 154 HP | 123 HP |
| Engine RPM | 6500 RPM | 5600 RPM |
| Torque | 203 Nm | 170 Nm |
| Torque RPM | 4500 RPM | 3800 RPM |
| Engine Bore Size | 87.5 mm | 80.5 mm |
| Engine Stroke Size | 94 mm | 88.2 mm |
| Engine Compression Ratio | 10.0:1 | 10.5:1 |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1550 kg | 1284 kg |
| Vehicle Length | 4550 mm | 4260 mm |
| Vehicle Width | 1760 mm | 1760 mm |
| Vehicle Height | 1470 mm | 1470 mm |
| Wheelbase Size | 2650 mm | 2620 mm |
| Fuel Consumption Overall | 13.1 L/100km | 7.7 L/100km |
| Fuel Tank Capacity | 55 L | 52 L |
