2004 Mazda 6 vs. 2011 Opel Astra
To start off, 2011 Opel Astra is newer by 7 year(s). Which means there will be less support and parts availability for 2004 Mazda 6. In addition, the cost of maintenance, including insurance, on 2004 Mazda 6 would be higher. At 2,964 cc (6 cylinders), 2004 Mazda 6 is equipped with a bigger engine. In terms of performance, 2011 Opel Astra (239 HP @ 5600 RPM) has 19 more horse power than 2004 Mazda 6. (220 HP @ 4000 RPM) In normal driving conditions, 2011 Opel Astra should accelerate faster than 2004 Mazda 6. With that said, vehicle weight also plays an important factor in acceleration. 2004 Mazda 6 weights approximately 120 kg more than 2011 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, 2011 Opel Astra (320 Nm) has 60 more torque (in Nm) than 2004 Mazda 6. (260 Nm). This means 2011 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2004 Mazda 6.
Compare all specifications:
| 2004 Mazda 6 | 2011 Opel Astra | |
| Make | Mazda | Opel |
| Model | 6 | Astra |
| Year Released | 2004 | 2011 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2964 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 220 HP | 239 HP |
| Engine RPM | 4000 RPM | 5600 RPM |
| Torque | 260 Nm | 320 Nm |
| Engine Bore Size | 89 mm | 86 mm |
| Engine Stroke Size | 80 mm | 86 mm |
| Engine Compression Ratio | 10.0:1 | 8.8:1 |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1513 kg | 1393 kg |
| Vehicle Length | 4750 mm | 4300 mm |
| Vehicle Width | 1790 mm | 1760 mm |
| Vehicle Height | 1450 mm | 1410 mm |
| Wheelbase Size | 2680 mm | 2620 mm |
| Fuel Consumption Overall | 10.7 L/100km | 9.2 L/100km |
| Fuel Tank Capacity | 68 L | 52 L |
