2003 Mazda 6 vs. 2005 Opel Astra
To start off, 2005 Opel Astra is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Mazda 6. In addition, the cost of maintenance, including insurance, on 2003 Mazda 6 would be higher. At 2,261 cc (4 cylinders), 2003 Mazda 6 is equipped with a bigger engine. In terms of performance, 2003 Mazda 6 (160 HP @ 6500 RPM) has 56 more horse power than 2005 Opel Astra. (104 HP @ 6000 RPM). In normal driving conditions, 2003 Mazda 6 should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2003 Mazda 6 weights approximately 370 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.
Because 2003 Mazda 6 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Opel Astra. In wet, icy, snow, or gravel driving conditions, 2003 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, 2003 Mazda 6 (205 Nm @ 4000 RPM) has 55 more torque (in Nm) than 2005 Opel Astra. (150 Nm @ 3900 RPM). This means 2003 Mazda 6 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra. 2003 Mazda 6 has automatic transmission and 2005 Opel Astra has manual transmission. 2005 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Mazda 6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Mazda 6 | 2005 Opel Astra | |
| Make | Mazda | Opel |
| Model | 6 | Astra |
| Year Released | 2003 | 2005 |
| Body Type | Station Wagon | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2261 cc | 1598 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 160 HP | 104 HP |
| Engine RPM | 6500 RPM | 6000 RPM |
| Torque | 205 Nm | 150 Nm |
| Torque RPM | 4000 RPM | 3900 RPM |
| Engine Bore Size | 87.5 mm | 79 mm |
| Engine Stroke Size | 94 mm | 81.5 mm |
| Engine Compression Ratio | 11.0:1 | 10.5:1 |
| Top Speed | 190 km/hour | 187 km/hour |
| Acceleration 0-100mph | 12.3 seconds | 12.2 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 1605 kg | 1235 kg |
| Vehicle Length | 4710 mm | 4300 mm |
| Vehicle Width | 1790 mm | 1760 mm |
| Vehicle Height | 1500 mm | 1440 mm |
| Wheelbase Size | 2680 mm | 2700 mm |
| Fuel Tank Capacity | 62 L | 52 L |
