2007 Mazda 3 vs. 2004 Opel Astra
To start off, 2007 Mazda 3 is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Opel Astra. In addition, the cost of maintenance, including insurance, on 2004 Opel Astra would be higher. At 2,260 cc (4 cylinders), 2007 Mazda 3 is equipped with a bigger engine. In terms of performance, 2004 Opel Astra (197 HP @ 5400 RPM) has 41 more horse power than 2007 Mazda 3. (156 HP @ 6500 RPM) In normal driving conditions, 2004 Opel Astra should accelerate faster than 2007 Mazda 3. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mazda 3 weights approximately 94 kg more than 2004 Opel Astra.
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, 2004 Opel Astra (262 Nm @ 4200 RPM) has 59 more torque (in Nm) than 2007 Mazda 3. (203 Nm @ 4500 RPM). This means 2004 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2007 Mazda 3.
Compare all specifications:
| 2007 Mazda 3 | 2004 Opel Astra | |
| Make | Mazda | Opel |
| Model | 3 | Astra |
| Year Released | 2007 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 2260 cc | 1994 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 156 HP | 197 HP |
| Engine RPM | 6500 RPM | 5400 RPM |
| Torque | 203 Nm | 262 Nm |
| Torque RPM | 4500 RPM | 4200 RPM |
| Engine Bore Size | 87 mm | 86 mm |
| Engine Stroke Size | 94 mm | 86 mm |
| Engine Compression Ratio | 9.7:1 | 8.8:1 |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1480 kg | 1386 kg |
| Vehicle Length | 4520 mm | 4260 mm |
| Vehicle Width | 1760 mm | 1760 mm |
| Vehicle Height | 1470 mm | 1470 mm |
| Wheelbase Size | 2650 mm | 2740 mm |
| Fuel Consumption | 7.1 L/100km | 7.1 L/100km |
| Fuel Consumption City | 9.1 L/100km | 13.1 L/100km |
| Fuel Consumption Overall | 8.4 L/100km | 9.3 L/100km |
| Fuel Tank Capacity | 55 L | 52 L |
