2009 Lexus LS vs. 2011 Kia Optima
To start off, 2011 Kia Optima is newer by 2 year(s). Which means there will be less support and parts availability for 2009 Lexus LS. In addition, the cost of maintenance, including insurance, on 2009 Lexus LS would be higher. At 4,605 cc (8 cylinders), 2009 Lexus LS is equipped with a bigger engine. In terms of performance, 2009 Lexus LS (357 HP @ 6400 RPM) has 191 more horse power than 2011 Kia Optima. (166 HP @ 6000 RPM). In normal driving conditions, 2009 Lexus LS should accelerate faster than 2011 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2009 Lexus LS weights approximately 282 kg more than 2011 Kia Optima. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Lexus LS is four wheel drive (4WD), it will have significant more traction and grip than 2011 Kia Optima. In wet, icy, snow, or gravel driving conditions, 2009 Lexus LS 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, 2009 Lexus LS (466 Nm @ 4100 RPM) has 257 more torque (in Nm) than 2011 Kia Optima. (209 Nm @ 4250 RPM). This means 2009 Lexus LS will have an easier job in driving up hills or pulling heavy equipment than 2011 Kia Optima.
Compare all specifications:
| 2009 Lexus LS | 2011 Kia Optima | |
| Make | Lexus | Kia |
| Model | LS | Optima |
| Year Released | 2009 | 2011 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4605 cc | 2400 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 357 HP | 166 HP |
| Engine RPM | 6400 RPM | 6000 RPM |
| Torque | 466 Nm | 209 Nm |
| Torque RPM | 4100 RPM | 4250 RPM |
| Fuel Type | Gasoline | Gasoline / Electric Hybrid |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1865 kg | 1583 kg |
| Vehicle Length | 5040 mm | 4844 mm |
| Vehicle Width | 1880 mm | 1831 mm |
| Vehicle Height | 1490 mm | 1455 mm |
| Wheelbase Size | 2980 mm | 2797 mm |
| Fuel Consumption Highway | 10.2 L/100km | 5.9 L/100km |
| Fuel Consumption City | 14.7 L/100km | 6.7 L/100km |
| Fuel Tank Capacity | 84 L | 65 L |
