2008 Mazda CX-7 vs. 2003 Opel Astra
To start off, 2008 Mazda CX-7 is newer by 5 year(s). Which means there will be less support and parts availability for 2003 Opel Astra. In addition, the cost of maintenance, including insurance, on 2003 Opel Astra would be higher. At 2,260 cc (4 cylinders), 2008 Mazda CX-7 is equipped with a bigger engine. In terms of performance, 2008 Mazda CX-7 (244 HP @ 5000 RPM) has 170 more horse power than 2003 Opel Astra. (74 HP @ 5200 RPM). In normal driving conditions, 2008 Mazda CX-7 should accelerate faster than 2003 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2008 Mazda CX-7 weights approximately 80 kg more than 2003 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, 2008 Mazda CX-7 (351 Nm @ 2500 RPM) has 221 more torque (in Nm) than 2003 Opel Astra. (130 Nm @ 2800 RPM). This means 2008 Mazda CX-7 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Astra. 2008 Mazda CX-7 has automatic transmission and 2003 Opel Astra has manual transmission. 2003 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Mazda CX-7 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Mazda CX-7 | 2003 Opel Astra | |
| Make | Mazda | Opel |
| Model | CX-7 | Astra |
| Year Released | 2008 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 2260 cc | 1596 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 244 HP | 74 HP |
| Engine RPM | 5000 RPM | 5200 RPM |
| Torque | 351 Nm | 130 Nm |
| Torque RPM | 2500 RPM | 2800 RPM |
| Engine Bore Size | 87.4 mm | 85 mm |
| Engine Stroke Size | 94 mm | 69.8 mm |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 188 km/hour | 170 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1180 kg | 1100 kg |
| Vehicle Length | 4680 mm | 4260 mm |
| Vehicle Width | 1880 mm | 1760 mm |
| Vehicle Height | 1650 mm | 1470 mm |
| Wheelbase Size | 2760 mm | 2640 mm |
| Fuel Consumption Highway | 10.2 L/100km | 5.5 L/100km |
| Fuel Consumption Overall | 12.4 L/100km | 6.6 L/100km |
| Fuel Tank Capacity | 69 L | 52 L |
