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 (164 HP @ 6500 RPM) has 41 more horse power than 2005 Opel Astra. (123 HP @ 5600 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 265 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 (207 Nm @ 4000 RPM) has 40 more torque (in Nm) than 2005 Opel Astra. (167 Nm @ 3800 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 | Station Wagon | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2261 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 164 HP | 123 HP |
| Engine RPM | 6500 RPM | 5600 RPM |
| Torque | 207 Nm | 167 Nm |
| Torque RPM | 4000 RPM | 3800 RPM |
| Engine Compression Ratio | 11.0:1 | 10.5:1 |
| Acceleration 0-100mph | 9.2 seconds | 10 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1465 kg | 1200 kg |
| Wheelbase Size | 2630 mm | 2740 mm |
| Fuel Tank Capacity | 64 L | 52 L |
