2009 Acura RDX vs. 2005 Kia Rio
To start off, 2009 Acura RDX is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Kia Rio. In addition, the cost of maintenance, including insurance, on 2005 Kia Rio would be higher. At 2,300 cc (4 cylinders), 2009 Acura RDX is equipped with a bigger engine. In terms of performance, 2009 Acura RDX (240 HP @ 6000 RPM) has 102 more horse power than 2005 Kia Rio. (138 HP @ 4000 RPM). In normal driving conditions, 2009 Acura RDX should accelerate faster than 2005 Kia Rio. With that said, vehicle weight also plays an important factor in acceleration. 2009 Acura RDX weights approximately 506 kg more than 2005 Kia Rio. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Acura RDX is four wheel drive (4WD), it will have significant more traction and grip than 2005 Kia Rio. In wet, icy, snow, or gravel driving conditions, 2009 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 Acura RDX (353 Nm @ 4500 RPM) has 238 more torque (in Nm) than 2005 Kia Rio. (115 Nm @ 3000 RPM). This means 2009 Acura RDX will have an easier job in driving up hills or pulling heavy equipment than 2005 Kia Rio. 2009 Acura RDX has automatic transmission and 2005 Kia Rio has manual transmission. 2005 Kia Rio will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Acura RDX will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Acura RDX | 2005 Kia Rio | |
| Make | Acura | Kia |
| Model | RDX | Rio |
| Year Released | 2009 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 2300 cc | 1341 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 240 HP | 138 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 353 Nm | 115 Nm |
| Torque RPM | 4500 RPM | 3000 RPM |
| Engine Compression Ratio | 11.0:1 | 9.5:1 |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1450 kg | 944 kg |
| Wheelbase Size | 2660 mm | 2420 mm |
| Fuel Tank Capacity | 68 L | 45 L |
