2009 Daihatsu Copen vs. 2011 Acura RDX
To start off, 2011 Acura RDX is newer by 2 year(s). Which means there will be less support and parts availability for 2009 Daihatsu Copen. In addition, the cost of maintenance, including insurance, on 2009 Daihatsu Copen would be higher. At 2,300 cc (4 cylinders), 2011 Acura RDX is equipped with a bigger engine. In terms of performance, 2011 Acura RDX (240 HP @ 6000 RPM) has 154 more horse power than 2009 Daihatsu Copen. (86 HP @ 6000 RPM) In normal driving conditions, 2011 Acura RDX should accelerate faster than 2009 Daihatsu Copen. With that said, vehicle weight also plays an important factor in acceleration. 2011 Acura RDX weights approximately 933 kg more than 2009 Daihatsu Copen. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2011 Acura RDX is all wheel drive (AWD), it will have significant more traction and grip than 2009 Daihatsu Copen. In wet, icy, snow, or gravel driving conditions, 2011 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, 2011 Acura RDX (352 Nm @ 4500 RPM) has 232 more torque (in Nm) than 2009 Daihatsu Copen. (120 Nm @ 3200 RPM). This means 2011 Acura RDX will have an easier job in driving up hills or pulling heavy equipment than 2009 Daihatsu Copen. 2011 Acura RDX has automatic transmission and 2009 Daihatsu Copen has manual transmission. 2009 Daihatsu Copen will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2011 Acura RDX will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Daihatsu Copen | 2011 Acura RDX | |
| Make | Daihatsu | Acura |
| Model | Copen | RDX |
| Year Released | 2009 | 2011 |
| Body Type | Roadster | SUV |
| Engine Position | Front | Front |
| Engine Size | 1298 cc | 2300 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 86 HP | 240 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 120 Nm | 352 Nm |
| Torque RPM | 3200 RPM | 4500 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | AWD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 850 kg | 1783 kg |
| Vehicle Length | 3400 mm | 4636 mm |
| Vehicle Width | 1480 mm | 1869 mm |
| Vehicle Height | 1250 mm | 1654 mm |
| Wheelbase Size | 2230 mm | 2649 mm |
| Fuel Tank Capacity | 40 L | 68 L |
