2009 Acura RDX vs. 2007 Mercedes-Benz B
To start off, 2009 Acura RDX 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 2,297 cc (4 cylinders), 2009 Acura RDX is equipped with a bigger engine. In terms of performance, 2009 Acura RDX (237 HP @ 6000 RPM) has 129 more horse power than 2007 Mercedes-Benz B. (108 HP @ 4200 RPM). In normal driving conditions, 2009 Acura RDX should accelerate faster than 2007 Mercedes-Benz B. With that said, vehicle weight also plays an important factor in acceleration. 2009 Acura RDX weights approximately 349 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 Acura RDX 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 Acura RDX 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 Acura RDX (260 Nm @ 4500 RPM) has 9 more torque (in Nm) than 2007 Mercedes-Benz B. (251 Nm @ 1600 RPM). This means 2009 Acura RDX will have an easier job in driving up hills or pulling heavy equipment than 2007 Mercedes-Benz B. 2009 Acura RDX 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 Acura RDX will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Acura RDX | 2007 Mercedes-Benz B | |
| Make | Acura | Mercedes-Benz |
| Model | RDX | B |
| Year Released | 2009 | 2007 |
| Body Type | SUV | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2297 cc | 1991 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 237 HP | 108 HP |
| Engine RPM | 6000 RPM | 4200 RPM |
| Torque | 260 Nm | 251 Nm |
| Torque RPM | 4500 RPM | 1600 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1784 kg | 1435 kg |
| Vehicle Length | 4600 mm | 4280 mm |
| Vehicle Width | 1880 mm | 1780 mm |
| Vehicle Height | 1660 mm | 1610 mm |
| Wheelbase Size | 2660 mm | 2780 mm |
| Fuel Consumption Overall | 12.4 L/100km | 5.6 L/100km |
| Fuel Tank Capacity | 68 L | 54 L |
