2007 Mazda 3 vs. 2005 Opel Astra
To start off, 2007 Mazda 3 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 1,999 cc (4 cylinders), 2007 Mazda 3 is equipped with a bigger engine. In terms of performance, 2007 Mazda 3 (148 HP @ 6000 RPM) has 34 more horse power than 2005 Opel Astra. (114 HP @ 5400 RPM). In normal driving conditions, 2007 Mazda 3 should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mazda 3 weights approximately 125 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 3 (187 Nm @ 4500 RPM) has 14 more torque (in Nm) than 2005 Opel Astra. (173 Nm @ 3400 RPM). This means 2007 Mazda 3 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra.
Compare all specifications:
| 2007 Mazda 3 | 2005 Opel Astra | |
| Make | Mazda | Opel |
| Model | 3 | Astra |
| Year Released | 2007 | 2005 |
| Body Type | Hatchback | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1999 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 114 HP |
| Engine RPM | 6000 RPM | 5400 RPM |
| Torque | 187 Nm | 173 Nm |
| Torque RPM | 4500 RPM | 3400 RPM |
| Engine Bore Size | 87.5 mm | 80.6 mm |
| Engine Stroke Size | 83.1 mm | 88.2 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1310 kg | 1185 kg |
| Vehicle Length | 4430 mm | 4260 mm |
| Vehicle Width | 1760 mm | 1720 mm |
| Vehicle Height | 1470 mm | 1400 mm |
| Wheelbase Size | 2650 mm | 2610 mm |
| Fuel Tank Capacity | 55 L | 52 L |
