2005 Kia Optima vs. 2007 Lexus LS
To start off, 2007 Lexus LS is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Kia Optima. In addition, the cost of maintenance, including insurance, on 2005 Kia Optima would be higher. At 4,293 cc (8 cylinders), 2007 Lexus LS is equipped with a bigger engine. In terms of performance, 2007 Lexus LS (279 HP @ 5600 RPM) has 109 more horse power than 2005 Kia Optima. (170 HP @ 4000 RPM) In normal driving conditions, 2007 Lexus LS should accelerate faster than 2005 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2007 Lexus LS weights approximately 355 kg more than 2005 Kia Optima. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2005 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 (417 Nm) has 176 more torque (in Nm) than 2005 Kia Optima. (241 Nm). This means 2007 Lexus LS will have an easier job in driving up hills or pulling heavy equipment than 2005 Kia Optima.
Compare all specifications:
2005 Kia Optima | 2007 Lexus LS | |
Make | Kia | Lexus |
Model | Optima | LS |
Year Released | 2005 | 2007 |
Body Type | Sedan | Sedan |
Engine Position | Front | Front |
Engine Size | 2671 cc | 4293 cc |
Engine Cylinders | 6 cylinders | 8 cylinders |
Engine Type | V | V |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 170 HP | 279 HP |
Engine RPM | 4000 RPM | 5600 RPM |
Torque | 241 Nm | 417 Nm |
Engine Bore Size | 87 mm | 91 mm |
Engine Stroke Size | 75 mm | 82.5 mm |
Engine Compression Ratio | 10.0:1 | 11.0:1 |
Drive Type | Front | Rear |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 4 doors |
Vehicle Weight | 1487 kg | 1842 kg |
Vehicle Length | 4730 mm | 4830 mm |
Vehicle Width | 1820 mm | 1840 mm |
Vehicle Height | 1420 mm | 1480 mm |
Wheelbase Size | 2710 mm | 2930 mm |
Fuel Consumption Overall | 10.4 L/100km | 11.4 L/100km |
Fuel Tank Capacity | 65 L | 84 L |