2004 Kia Optima vs. 2012 Lexus GX
To start off, 2012 Lexus GX is newer by 8 year(s). Which means there will be less support and parts availability for 2004 Kia Optima. In addition, the cost of maintenance, including insurance, on 2004 Kia Optima would be higher. At 4,600 cc (8 cylinders), 2012 Lexus GX is equipped with a bigger engine. In terms of performance, 2012 Lexus GX (301 HP @ 5500 RPM) has 163 more horse power than 2004 Kia Optima. (138 HP @ 3800 RPM) In normal driving conditions, 2012 Lexus GX should accelerate faster than 2004 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2012 Lexus GX weights approximately 873 kg more than 2004 Kia Optima. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2012 Lexus GX is four wheel drive (4WD), it will have significant more traction and grip than 2004 Kia Optima. In wet, icy, snow, or gravel driving conditions, 2012 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, 2012 Lexus GX (446 Nm) has 247 more torque (in Nm) than 2004 Kia Optima. (199 Nm). This means 2012 Lexus GX will have an easier job in driving up hills or pulling heavy equipment than 2004 Kia Optima.
Compare all specifications:
| 2004 Kia Optima | 2012 Lexus GX | |
| Make | Kia | Lexus |
| Model | Optima | GX |
| Year Released | 2004 | 2012 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2398 cc | 4600 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 301 HP |
| Engine RPM | 3800 RPM | 5500 RPM |
| Torque | 199 Nm | 446 Nm |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1549 kg | 2422 kg |
| Vehicle Length | 4730 mm | 4806 mm |
| Vehicle Width | 1820 mm | 1885 mm |
| Vehicle Height | 1420 mm | 1875 mm |
| Wheelbase Size | 2720 mm | 2789 mm |
| Fuel Consumption | 7.8 L/100km | 11.8 L/100km |
| Fuel Consumption City | 10.7 L/100km | 15.7 L/100km |
| Fuel Tank Capacity | 65 L | 87 L |
