2004 Kia Optima vs. 2007 Lexus LS
To start off, 2007 Lexus LS is newer by 3 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 4,608 cc (8 cylinders), 2007 Lexus LS is equipped with a bigger engine. In terms of performance, 2007 Lexus LS (381 HP @ 6400 RPM) has 211 more horse power than 2004 Kia Optima. (170 HP @ 4000 RPM) In normal driving conditions, 2007 Lexus LS should accelerate faster than 2004 Kia Optima.
Because 2007 Lexus LS 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 2007 Lexus LS. However, in wet, icy, snow, or gravel driving conditions, 2004 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, 2007 Lexus LS (498 Nm) has 253 more torque (in Nm) than 2004 Kia Optima. (245 Nm). This means 2007 Lexus LS will have an easier job in driving up hills or pulling heavy equipment than 2004 Kia Optima.
Compare all specifications:
| 2004 Kia Optima | 2007 Lexus LS | |
| Make | Kia | Lexus |
| Model | Optima | LS |
| Year Released | 2004 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 4608 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 170 HP | 381 HP |
| Engine RPM | 4000 RPM | 6400 RPM |
| Torque | 245 Nm | 498 Nm |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4730 mm | 5160 mm |
| Vehicle Width | 1820 mm | 1880 mm |
| Vehicle Height | 1420 mm | 1480 mm |
| Wheelbase Size | 2720 mm | 3100 mm |
| Fuel Consumption | 8.7 L/100km | 8.7 L/100km |
| Fuel Consumption City | 11.8 L/100km | 13.1 L/100km |
| Fuel Consumption Overall | 10.2 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 65 L | 84 L |
