2009 Acura MDX vs. 2007 Mercedes-Benz R
To start off, 2009 Acura MDX is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Mercedes-Benz R. In addition, the cost of maintenance, including insurance, on 2007 Mercedes-Benz R would be higher. At 3,663 cc (6 cylinders), 2009 Acura MDX is equipped with a bigger engine. In terms of performance, 2009 Acura MDX (300 HP @ 6000 RPM) has 113 more horse power than 2007 Mercedes-Benz R. (187 HP @ 4000 RPM). In normal driving conditions, 2009 Acura MDX should accelerate faster than 2007 Mercedes-Benz R. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercedes-Benz R weights approximately 442 kg more than 2009 Acura MDX.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or 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, 2007 Mercedes-Benz R (440 Nm @ 1400 RPM) has 67 more torque (in Nm) than 2009 Acura MDX. (373 Nm @ 5000 RPM). This means 2007 Mercedes-Benz R will have an easier job in driving up hills or pulling heavy equipment than 2009 Acura MDX.
Compare all specifications:
| 2009 Acura MDX | 2007 Mercedes-Benz R | |
| Make | Acura | Mercedes-Benz |
| Model | MDX | R |
| Year Released | 2009 | 2007 |
| Body Type | SUV | Minivan |
| Engine Position | Front | Front |
| Engine Size | 3663 cc | 2987 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 300 HP | 187 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 373 Nm | 440 Nm |
| Torque RPM | 5000 RPM | 1400 RPM |
| Engine Compression Ratio | 11.0:1 | 18.0:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 7 seats | 6 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1784 kg | 2226 kg |
| Vehicle Length | 4850 mm | 4930 mm |
| Vehicle Width | 2000 mm | 1930 mm |
| Vehicle Height | 1740 mm | 1660 mm |
| Wheelbase Size | 2760 mm | 2990 mm |
| Fuel Consumption Overall | 13.8 L/100km | 9.3 L/100km |
| Fuel Tank Capacity | 79 L | 80 L |
