2009 Mazda CX-7 vs. 2007 Mercedes-Benz B
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 Mercedes-Benz B. In addition, the cost of maintenance, including insurance, on 2007 Mercedes-Benz B would be higher. At 2,260 cc (4 cylinders), 2009 Mazda CX-7 is equipped with a bigger engine. In terms of performance, 2009 Mazda CX-7 (244 HP @ 5000 RPM) has 130 more horse power than 2007 Mercedes-Benz B. (114 HP @ 5500 RPM). In normal driving conditions, 2009 Mazda CX-7 should accelerate faster than 2007 Mercedes-Benz B. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mazda CX-7 weights approximately 22 kg more than 2007 Mercedes-Benz B. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Mazda CX-7 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Mercedes-Benz B. In wet, icy, snow, or gravel driving conditions, 2009 Mazda CX-7 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, 2009 Mazda CX-7 (350 Nm @ 2500 RPM) has 195 more torque (in Nm) than 2007 Mercedes-Benz B. (155 Nm @ 3500 RPM). This means 2009 Mazda CX-7 will have an easier job in driving up hills or pulling heavy equipment than 2007 Mercedes-Benz B. 2009 Mazda CX-7 has automatic transmission and 2007 Mercedes-Benz B has manual transmission. 2007 Mercedes-Benz B will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Mazda CX-7 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Mazda CX-7 | 2007 Mercedes-Benz B | |
| Make | Mazda | Mercedes-Benz |
| Model | CX-7 | B |
| Year Released | 2009 | 2007 |
| Body Type | SUV | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2260 cc | 1699 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 244 HP | 114 HP |
| Engine RPM | 5000 RPM | 5500 RPM |
| Torque | 350 Nm | 155 Nm |
| Torque RPM | 2500 RPM | 3500 RPM |
| Engine Compression Ratio | 10.0:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1332 kg | 1310 kg |
| Vehicle Length | 4680 mm | 4280 mm |
| Vehicle Width | 1880 mm | 1780 mm |
| Vehicle Height | 1650 mm | 1610 mm |
| Wheelbase Size | 2760 mm | 2780 mm |
| Fuel Consumption Overall | 13.1 L/100km | 6.8 L/100km |
| Fuel Tank Capacity | 69 L | 54 L |
