2004 Mazda 6 vs. 2007 Opel Astra
To start off, 2007 Opel Astra is newer by 3 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 2,261 cc (4 cylinders), 2004 Mazda 6 is equipped with a bigger engine. In terms of performance, 2004 Mazda 6 (160 HP @ 6500 RPM) has 42 more horse power than 2007 Opel Astra. (118 HP @ 3500 RPM). In normal driving conditions, 2004 Mazda 6 should accelerate faster than 2007 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2004 Mazda 6 weights approximately 210 kg more than 2007 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Mazda 6 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Opel Astra. In wet, icy, snow, or gravel driving conditions, 2004 Mazda 6 will offer significantly more control. 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 (280 Nm @ 2000 RPM) has 75 more torque (in Nm) than 2004 Mazda 6. (205 Nm @ 4000 RPM). This means 2007 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2004 Mazda 6. 2004 Mazda 6 has automatic transmission and 2007 Opel Astra has manual transmission. 2007 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 Mazda 6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Mazda 6 | 2007 Opel Astra | |
| Make | Mazda | Opel |
| Model | 6 | Astra |
| Year Released | 2004 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 2261 cc | 1909 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 160 HP | 118 HP |
| Engine RPM | 6500 RPM | 3500 RPM |
| Torque | 205 Nm | 280 Nm |
| Torque RPM | 4000 RPM | 2000 RPM |
| Engine Bore Size | 87.5 mm | 82 mm |
| Engine Stroke Size | 94 mm | 90.4 mm |
| Engine Compression Ratio | 11.0:1 | 18.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 190 km/hour | 191 km/hour |
| Acceleration 0-100mph | 12.3 seconds | 10.5 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1605 kg | 1395 kg |
| Vehicle Length | 4710 mm | 4480 mm |
| Vehicle Width | 1790 mm | 2030 mm |
| Vehicle Height | 1500 mm | 1420 mm |
| Wheelbase Size | 2630 mm | 2620 mm |
| Fuel Consumption Overall | 11 L/100km | 6.1 L/100km |
| Fuel Tank Capacity | 62 L | 52 L |
