2003 Mazda 6 vs. 2007 Opel Astra
To start off, 2007 Opel Astra is newer by 4 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, 2007 Opel Astra (168 HP @ 5200 RPM) has 4 more horse power than 2003 Mazda 6. (164 HP @ 6500 RPM) In normal driving conditions, 2007 Opel Astra should accelerate faster than 2003 Mazda 6. With that said, vehicle weight also plays an important factor in acceleration. 2003 Mazda 6 weights approximately 45 kg more than 2007 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, 2007 Opel Astra (251 Nm @ 1950 RPM) has 43 more torque (in Nm) than 2003 Mazda 6. (208 Nm @ 4000 RPM). This means 2007 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2003 Mazda 6.
Compare all specifications:
| 2003 Mazda 6 | 2007 Opel Astra | |
| Make | Mazda | Opel |
| Model | 6 | Astra |
| Year Released | 2003 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 2261 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 164 HP | 168 HP |
| Engine RPM | 6500 RPM | 5200 RPM |
| Torque | 208 Nm | 251 Nm |
| Torque RPM | 4000 RPM | 1950 RPM |
| Engine Bore Size | 87.5 mm | 86 mm |
| Engine Stroke Size | 94 mm | 86 mm |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 211 km/hour | 217 km/hour |
| Acceleration 0-100mph | 9 seconds | 8.7 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1430 kg | 1385 kg |
| Vehicle Length | 4690 mm | 4480 mm |
| Vehicle Width | 1790 mm | 2030 mm |
| Vehicle Height | 1440 mm | 1420 mm |
| Wheelbase Size | 2680 mm | 2620 mm |
| Fuel Consumption Overall | 8.9 L/100km | 9.5 L/100km |
