2006 Kia Optima vs. 2006 Lexus GS
To start off, both 2006 Kia Optima and 2006 Lexus GS were released in the same year (2006). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,277 cc (8 cylinders), 2006 Lexus GS is equipped with a bigger engine. In terms of performance, 2006 Lexus GS (300 HP @ 5600 RPM) has 162 more horse power than 2006 Kia Optima. (138 HP @ 5500 RPM) In normal driving conditions, 2006 Lexus GS should accelerate faster than 2006 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2006 Lexus GS weights approximately 282 kg more than 2006 Kia Optima. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Lexus GS is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2006 Lexus GS. However, in wet, icy, snow, or gravel driving conditions, 2006 Kia Optima, being front wheel drive (FWD), will offer much better control with better grip. 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 Lexus GS (441 Nm @ 3400 RPM) has 242 more torque (in Nm) than 2006 Kia Optima. (199 Nm @ 3000 RPM). This means 2006 Lexus GS will have an easier job in driving up hills or pulling heavy equipment than 2006 Kia Optima.
Compare all specifications:
| 2006 Kia Optima | 2006 Lexus GS | |
| Make | Kia | Lexus |
| Model | Optima | GS |
| Year Released | 2006 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2360 cc | 4277 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 300 HP |
| Engine RPM | 5500 RPM | 5600 RPM |
| Torque | 199 Nm | 441 Nm |
| Torque RPM | 3000 RPM | 3400 RPM |
| Engine Compression Ratio | 10.0:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1488 kg | 1770 kg |
| Vehicle Length | 4730 mm | 4830 mm |
| Vehicle Width | 1820 mm | 1830 mm |
| Vehicle Height | 1420 mm | 1430 mm |
| Wheelbase Size | 2710 mm | 2860 mm |
| Fuel Consumption | 7.8 L/100km | 9.4 L/100km |
| Fuel Consumption City | 10.2 L/100km | 13.1 L/100km |
| Fuel Consumption Overall | 9.4 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 65 L | 71 L |
