2001 Acura RSX vs. 2006 Kia Optima
To start off, 2006 Kia Optima is newer by 5 year(s). Which means there will be less support and parts availability for 2001 Acura RSX. In addition, the cost of maintenance, including insurance, on 2001 Acura RSX would be higher. At 2,360 cc (4 cylinders), 2006 Kia Optima is equipped with a bigger engine. In terms of performance, 2001 Acura RSX (160 HP @ 6500 RPM) has 22 more horse power than 2006 Kia Optima. (138 HP @ 5500 RPM). In normal driving conditions, 2001 Acura RSX should accelerate faster than 2006 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2006 Kia Optima weights approximately 748 kg more than 2001 Acura RSX.
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 (199 Nm @ 3000 RPM) has 8 more torque (in Nm) than 2001 Acura RSX. (191 Nm @ 4000 RPM). This means 2006 Kia Optima will have an easier job in driving up hills or pulling heavy equipment than 2001 Acura RSX.
Compare all specifications:
| 2001 Acura RSX | 2006 Kia Optima | |
| Make | Acura | Kia |
| Model | RSX | Optima |
| Year Released | 2001 | 2006 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1991 cc | 2360 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 160 HP | 138 HP |
| Engine RPM | 6500 RPM | 5500 RPM |
| Torque | 191 Nm | 199 Nm |
| Torque RPM | 4000 RPM | 3000 RPM |
| Engine Bore Size | 85.9 mm | 81 mm |
| Engine Stroke Size | 85.9 mm | 88 mm |
| 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 | 1256 kg | 2004 kg |
| Vehicle Length | 4380 mm | 4730 mm |
| Vehicle Width | 1730 mm | 1820 mm |
| Vehicle Height | 1410 mm | 1420 mm |
| Wheelbase Size | 2580 mm | 2710 mm |
| Fuel Tank Capacity | 50 L | 65 L |
