2009 Kia Optima vs. 2012 Acura RDX
To start off, 2012 Acura RDX is newer by 3 year(s). Which means there will be less support and parts availability for 2009 Kia Optima. In addition, the cost of maintenance, including insurance, on 2009 Kia Optima would be higher. At 2,359 cc (4 cylinders), 2009 Kia Optima is equipped with a bigger engine. In terms of performance, 2012 Acura RDX (240 HP @ 6000 RPM) has 65 more horse power than 2009 Kia Optima. (175 HP @ 6000 RPM) In normal driving conditions, 2012 Acura RDX should accelerate faster than 2009 Kia Optima.
Because 2012 Acura RDX is all wheel drive (AWD), it will have significant more traction and grip than 2009 Kia Optima. In wet, icy, snow, or gravel driving conditions, 2012 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, 2012 Acura RDX (352 Nm @ 4500 RPM) has 123 more torque (in Nm) than 2009 Kia Optima. (229 Nm @ 4000 RPM). This means 2012 Acura RDX will have an easier job in driving up hills or pulling heavy equipment than 2009 Kia Optima. 2012 Acura RDX has automatic transmission and 2009 Kia Optima has manual transmission. 2009 Kia Optima will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2012 Acura RDX will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Kia Optima | 2012 Acura RDX | |
| Make | Kia | Acura |
| Model | Optima | RDX |
| Year Released | 2009 | 2012 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2359 cc | 2300 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 175 HP | 240 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 229 Nm | 352 Nm |
| Torque RPM | 4000 RPM | 4500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | AWD |
| Transmission Type | Manual | 5-speed shiftable automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 4810 mm | 4636 mm |
| Vehicle Width | 1810 mm | 1869 mm |
| Vehicle Height | 1490 mm | 1654 mm |
| Wheelbase Size | 2730 mm | 2649 mm |
| Fuel Consumption | 7.5 L/100km | 10.7 L/100km |
| Fuel Consumption City | 10.8 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 62 L | 68 L |
