2003 Mazda 6 vs. 2006 Opel Astra
To start off, 2006 Opel Astra is newer by 3 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 26 more horse power than 2006 Opel Astra. (138 HP @ 6300 RPM). In normal driving conditions, 2003 Mazda 6 should accelerate faster than 2006 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2006 Opel Astra weights approximately 50 kg more than 2003 Mazda 6.
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 32 more torque (in Nm) than 2006 Opel Astra. (175 Nm @ 3800 RPM). This means 2003 Mazda 6 will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Astra.
Compare all specifications:
| 2003 Mazda 6 | 2006 Opel Astra | |
| Make | Mazda | Opel |
| Model | 6 | Astra |
| Year Released | 2003 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 2261 cc | 1795 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 164 HP | 138 HP |
| Engine RPM | 6500 RPM | 6300 RPM |
| Torque | 207 Nm | 175 Nm |
| Torque RPM | 4000 RPM | 3800 RPM |
| Engine Bore Size | 87.6 mm | 80.6 mm |
| Engine Stroke Size | 94 mm | 88.2 mm |
| Engine Compression Ratio | 11.0:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 9.2 seconds | 11.4 seconds |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1465 kg | 1515 kg |
| Vehicle Length | 4710 mm | 4480 mm |
| Vehicle Width | 1790 mm | 2030 mm |
| Vehicle Height | 1490 mm | 1420 mm |
| Wheelbase Size | 2630 mm | 2620 mm |
| Fuel Consumption Overall | 9.1 L/100km | 7.7 L/100km |
| Fuel Tank Capacity | 64 L | 52 L |
