2009 Kia Optima vs. 2005 Lexus GX
To start off, 2009 Kia Optima is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Lexus GX. In addition, the cost of maintenance, including insurance, on 2005 Lexus GX would be higher. At 4,664 cc (8 cylinders), 2005 Lexus GX is equipped with a bigger engine. In terms of performance, 2005 Lexus GX (232 HP @ 4800 RPM) has 59 more horse power than 2009 Kia Optima. (173 HP @ 6000 RPM) In normal driving conditions, 2005 Lexus GX should accelerate faster than 2009 Kia Optima.
Because 2005 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, 2005 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, 2005 Lexus GX (434 Nm @ 3400 RPM) has 265 more torque (in Nm) than 2009 Kia Optima. (169 Nm @ 4000 RPM). This means 2005 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 | 2005 Lexus GX | |
| Make | Kia | Lexus |
| Model | Optima | GX |
| Year Released | 2009 | 2005 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2399 cc | 4664 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 173 HP | 232 HP |
| Engine RPM | 6000 RPM | 4800 RPM |
| Torque | 169 Nm | 434 Nm |
| Torque RPM | 4000 RPM | 3400 RPM |
| Engine Bore Size | 91 mm | 94.1 mm |
| Engine Stroke Size | 96 mm | 84 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| 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 | 1900 mm |
| Wheelbase Size | 2730 mm | 2800 mm |
