2007 BMW Convertible vs. 2009 Mazda CX-7
To start off, 2009 Mazda CX-7 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 BMW Convertible. In addition, the cost of maintenance, including insurance, on 2007 BMW Convertible would be higher. At 4,797 cc (8 cylinders), 2007 BMW Convertible is equipped with a bigger engine. In terms of performance, 2007 BMW Convertible (362 HP @ 6300 RPM) has 118 more horse power than 2009 Mazda CX-7. (244 HP @ 5000 RPM). In normal driving conditions, 2007 BMW Convertible should accelerate faster than 2009 Mazda CX-7. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW Convertible weights approximately 670 kg more than 2009 Mazda CX-7. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2007 BMW Convertible (490 Nm @ 3900 RPM) has 140 more torque (in Nm) than 2009 Mazda CX-7. (350 Nm @ 2500 RPM). This means 2007 BMW Convertible will have an easier job in driving up hills or pulling heavy equipment than 2009 Mazda CX-7.
Compare all specifications:
| 2007 BMW Convertible | 2009 Mazda CX-7 | |
| Make | BMW | Mazda |
| Model | Convertible | CX-7 |
| Year Released | 2007 | 2009 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 4797 cc | 2258 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 362 HP | 244 HP |
| Engine RPM | 6300 RPM | 5000 RPM |
| Torque | 490 Nm | 350 Nm |
| Torque RPM | 3900 RPM | 2500 RPM |
| Engine Compression Ratio | 10.5:1 | 8.4:1 |
| Fuel Type | Gasoline | Gasoline |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1850 kg | 1180 kg |
| Vehicle Length | 4830 mm | 4680 mm |
| Vehicle Width | 1380 mm | 1880 mm |
| Vehicle Height | 1860 mm | 1650 mm |
| Wheelbase Size | 2790 mm | 2760 mm |
| Fuel Tank Capacity | 70 L | 69 L |
