2009 Acura RDX vs. 2008 Acura MDX
To start off, 2009 Acura RDX is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Acura MDX. In addition, the cost of maintenance, including insurance, on 2008 Acura MDX would be higher. At 3,664 cc (6 cylinders), 2008 Acura MDX is equipped with a bigger engine. In terms of performance, 2008 Acura MDX (300 HP @ 6000 RPM) has 63 more horse power than 2009 Acura RDX. (237 HP @ 6000 RPM) In normal driving conditions, 2008 Acura MDX should accelerate faster than 2009 Acura RDX. With that said, vehicle weight also plays an important factor in acceleration. 2009 Acura RDX weights approximately 334 kg more than 2008 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, 2008 Acura MDX (373 Nm @ 5000 RPM) has 113 more torque (in Nm) than 2009 Acura RDX. (260 Nm @ 4500 RPM). This means 2008 Acura MDX will have an easier job in driving up hills or pulling heavy equipment than 2009 Acura RDX.
Compare all specifications:
| 2009 Acura RDX | 2008 Acura MDX | |
| Make | Acura | Acura |
| Model | RDX | MDX |
| Year Released | 2009 | 2008 |
| Body Type | SUV | SUV |
| Engine Position | Front | Front |
| Engine Size | 2297 cc | 3664 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 237 HP | 300 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 260 Nm | 373 Nm |
| Torque RPM | 4500 RPM | 5000 RPM |
| Engine Compression Ratio | 8.8:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1784 kg | 1450 kg |
| Vehicle Length | 4600 mm | 4850 mm |
| Vehicle Width | 1880 mm | 2000 mm |
| Vehicle Height | 1660 mm | 1780 mm |
| Wheelbase Size | 2660 mm | 2760 mm |
| Fuel Consumption | 10.7 L/100km | 11.8 L/100km |
| Fuel Consumption City | 13.8 L/100km | 15.7 L/100km |
| Fuel Consumption Overall | 12.4 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 68 L | 79 L |
