2004 Mazda 6 vs. 2008 Opel Astra
To start off, 2008 Opel Astra is newer by 4 year(s). Which means there will be less support and parts availability for 2004 Mazda 6. In addition, the cost of maintenance, including insurance, on 2004 Mazda 6 would be higher. At 2,261 cc (4 cylinders), 2004 Mazda 6 is equipped with a bigger engine. In terms of performance, 2004 Mazda 6 (256 HP @ 6000 RPM) has 152 more horse power than 2008 Opel Astra. (104 HP @ 6000 RPM). In normal driving conditions, 2004 Mazda 6 should accelerate faster than 2008 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2008 Opel Astra weights approximately 485 kg more than 2004 Mazda 6.
Because 2004 Mazda 6 is four wheel drive (4WD), it will have significant more traction and grip than 2008 Opel Astra. In wet, icy, snow, or gravel driving conditions, 2004 Mazda 6 will offer significantly more control. 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 Mazda 6 (380 Nm @ 3000 RPM) has 230 more torque (in Nm) than 2008 Opel Astra. (150 Nm @ 3900 RPM). This means 2004 Mazda 6 will have an easier job in driving up hills or pulling heavy equipment than 2008 Opel Astra.
Compare all specifications:
| 2004 Mazda 6 | 2008 Opel Astra | |
| Make | Mazda | Opel |
| Model | 6 | Astra |
| Year Released | 2004 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 2261 cc | 1596 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 256 HP | 104 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 380 Nm | 150 Nm |
| Torque RPM | 3000 RPM | 3900 RPM |
| Engine Bore Size | 87.5 mm | 79 mm |
| Engine Stroke Size | 94 mm | 81.5 mm |
| Engine Compression Ratio | 9.5:1 | 10.5:1 |
| Top Speed | 250 km/hour | 186 km/hour |
| Acceleration 0-100mph | 6.9 seconds | 14.1 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1030 kg | 1515 kg |
| Vehicle Length | 4750 mm | 4480 mm |
| Vehicle Width | 1790 mm | 2030 mm |
| Vehicle Height | 1450 mm | 1840 mm |
| Wheelbase Size | 2680 mm | 2620 mm |
