2008 Acura RDX vs. 2009 BMW 650
To start off, 2009 BMW 650 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Acura RDX. In addition, the cost of maintenance, including insurance, on 2008 Acura RDX would be higher. At 4,799 cc (8 cylinders), 2009 BMW 650 is equipped with a bigger engine. In terms of performance, 2009 BMW 650 (361 HP @ 6300 RPM) has 121 more horse power than 2008 Acura RDX. (240 HP @ 6000 RPM) In normal driving conditions, 2009 BMW 650 should accelerate faster than 2008 Acura RDX. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 650 weights approximately 75 kg more than 2008 Acura RDX. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Acura RDX is four wheel drive (4WD), it will have significant more traction and grip than 2009 BMW 650. In wet, icy, snow, or gravel driving conditions, 2008 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 BMW 650 (488 Nm @ 3400 RPM) has 135 more torque (in Nm) than 2008 Acura RDX. (353 Nm @ 4500 RPM). This means 2009 BMW 650 will have an easier job in driving up hills or pulling heavy equipment than 2008 Acura RDX. 2008 Acura RDX has automatic transmission and 2009 BMW 650 has manual transmission. 2009 BMW 650 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Acura RDX will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Acura RDX | 2009 BMW 650 | |
| Make | Acura | BMW |
| Model | RDX | 650 |
| Year Released | 2008 | 2009 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2299 cc | 4799 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 240 HP | 361 HP |
| Engine RPM | 6000 RPM | 6300 RPM |
| Torque | 353 Nm | 488 Nm |
| Torque RPM | 4500 RPM | 3400 RPM |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1450 kg | 1525 kg |
| Vehicle Length | 4600 mm | 4830 mm |
| Vehicle Width | 1880 mm | 1380 mm |
| Vehicle Height | 1660 mm | 1860 mm |
| Wheelbase Size | 2660 mm | 2790 mm |
| Fuel Consumption | 10.7 L/100km | 11.2 L/100km |
| Fuel Consumption City | 13.8 L/100km | 16.8 L/100km |
| Fuel Consumption Overall | 12.4 L/100km | 9.3 L/100km |
| Fuel Tank Capacity | 68 L | 70 L |
