2009 Mazda CX-7 vs. 2007 Mercedes-Benz E
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 E. In addition, the cost of maintenance, including insurance, on 2007 Mercedes-Benz E would be higher. At 2,259 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 96 more horse power than 2007 Mercedes-Benz E. (148 HP @ 4200 RPM). In normal driving conditions, 2009 Mazda CX-7 should accelerate faster than 2007 Mercedes-Benz E. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercedes-Benz E weights approximately 456 kg more than 2009 Mazda CX-7.
Because 2009 Mazda CX-7 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Mercedes-Benz E. 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 10 more torque (in Nm) than 2007 Mercedes-Benz E. (340 Nm @ 2000 RPM). This means 2009 Mazda CX-7 will have an easier job in driving up hills or pulling heavy equipment than 2007 Mercedes-Benz E.
Compare all specifications:
| 2009 Mazda CX-7 | 2007 Mercedes-Benz E | |
| Make | Mazda | Mercedes-Benz |
| Model | CX-7 | E |
| Year Released | 2009 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 2259 cc | 2148 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 244 HP | 148 HP |
| Engine RPM | 5000 RPM | 4200 RPM |
| Torque | 350 Nm | 340 Nm |
| Torque RPM | 2500 RPM | 2000 RPM |
| Engine Bore Size | 87.5 mm | 88 mm |
| Engine Stroke Size | 94 mm | 88.3 mm |
| Engine Compression Ratio | 10.0:1 | 18.0:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1329 kg | 1785 kg |
| Vehicle Length | 4680 mm | 4860 mm |
| Vehicle Width | 1880 mm | 1830 mm |
| Vehicle Height | 1650 mm | 1500 mm |
| Wheelbase Size | 2760 mm | 2860 mm |
| Fuel Consumption Overall | 13.1 L/100km | 7.1 L/100km |
| Fuel Tank Capacity | 69 L | 70 L |
