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 1,999 cc (4 cylinders), 2003 Mazda 6 is equipped with a bigger engine. In terms of performance, 2003 Mazda 6 (138 HP @ 6000 RPM) has 41 more horse power than 2005 Opel Astra. (97 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 210 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, 2003 Mazda 6 (181 Nm @ 4500 RPM) has 39 more torque (in Nm) than 2005 Opel Astra. (142 Nm @ 3600 RPM). This means 2003 Mazda 6 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra.
Compare all specifications:
| 2003 Mazda 6 | 2005 Opel Astra | |
| Make | Mazda | Opel |
| Model | 6 | Astra |
| Year Released | 2003 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1999 cc | 1598 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 97 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 181 Nm | 142 Nm |
| Torque RPM | 4500 RPM | 3600 RPM |
| Engine Compression Ratio | 11.0:1 | 9.8:1 |
| Top Speed | 208 km/hour | 193 km/hour |
| Acceleration 0-100mph | 9.7 seconds | 11.5 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1320 kg | 1110 kg |
| Wheelbase Size | 2620 mm | 2700 mm |
| Fuel Tank Capacity | 64 L | 52 L |
