2006 Acura RSX vs. 2006 Kia Optima
To start off, both 2006 Acura RSX and 2006 Kia Optima were released in the same year (2006). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,671 cc (6 cylinders), 2006 Kia Optima is equipped with a bigger engine. In terms of performance, 2006 Kia Optima (170 HP @ 6000 RPM) has 15 more horse power than 2006 Acura RSX. (155 HP @ 6500 RPM) In normal driving conditions, 2006 Kia Optima should accelerate faster than 2006 Acura RSX. With that said, vehicle weight also plays an important factor in acceleration. 2006 Kia Optima weights approximately 214 kg more than 2006 Acura RSX. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than 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, 2006 Kia Optima (245 Nm @ 4000 RPM) has 57 more torque (in Nm) than 2006 Acura RSX. (188 Nm @ 4000 RPM). This means 2006 Kia Optima will have an easier job in driving up hills or pulling heavy equipment than 2006 Acura RSX.
Compare all specifications:
| 2006 Acura RSX | 2006 Kia Optima | |
| Make | Acura | Kia |
| Model | RSX | Optima |
| Year Released | 2006 | 2006 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1999 cc | 2671 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 155 HP | 170 HP |
| Engine RPM | 6500 RPM | 6000 RPM |
| Torque | 188 Nm | 245 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Compression Ratio | 9.8:1 | 10.0:1 |
| Drive Type | Front | Front |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1274 kg | 1488 kg |
| Vehicle Length | 4380 mm | 4730 mm |
| Vehicle Width | 1730 mm | 1820 mm |
| Vehicle Height | 1400 mm | 1420 mm |
| Wheelbase Size | 2580 mm | 2710 mm |
| Fuel Consumption | 6.9 L/100km | 8.7 L/100km |
| Fuel Consumption City | 9.4 L/100km | 11.8 L/100km |
| Fuel Consumption Overall | 8.4 L/100km | 10.2 L/100km |
| Fuel Tank Capacity | 50 L | 65 L |
