2009 Kia Optima vs. 2006 Lexus GX
To start off, 2009 Kia Optima is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Lexus GX. In addition, the cost of maintenance, including insurance, on 2006 Lexus GX would be higher. At 4,700 cc (8 cylinders), 2006 Lexus GX is equipped with a bigger engine. In terms of performance, 2006 Lexus GX (263 HP @ 5400 RPM) has 87 more horse power than 2009 Kia Optima. (176 HP @ 6000 RPM) In normal driving conditions, 2006 Lexus GX should accelerate faster than 2009 Kia Optima.
Because 2006 Lexus GX is four wheel drive (4WD), it will have significant more traction and grip than 2009 Kia Optima. In wet, icy, snow, or gravel driving conditions, 2006 Lexus GX 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, 2006 Lexus GX (438 Nm @ 3400 RPM) has 209 more torque (in Nm) than 2009 Kia Optima. (229 Nm @ 4000 RPM). This means 2006 Lexus GX will have an easier job in driving up hills or pulling heavy equipment than 2009 Kia Optima.
Compare all specifications:
| 2009 Kia Optima | 2006 Lexus GX | |
| Make | Kia | Lexus |
| Model | Optima | GX |
| Year Released | 2009 | 2006 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2359 cc | 4700 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 176 HP | 263 HP |
| Engine RPM | 6000 RPM | 5400 RPM |
| Torque | 229 Nm | 438 Nm |
| Torque RPM | 4000 RPM | 3400 RPM |
| Engine Compression Ratio | 10.0:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 4810 mm | 4790 mm |
| Vehicle Width | 1810 mm | 1890 mm |
| Vehicle Height | 1490 mm | 1860 mm |
| Wheelbase Size | 2730 mm | 2800 mm |
| Fuel Consumption | 7.4 L/100km | 12.4 L/100km |
| Fuel Consumption City | 10.7 L/100km | 15.7 L/100km |
| Fuel Consumption Overall | 9.4 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 62 L | 87 L |
