2007 Kia Optima vs. 2009 Mercedes-Benz CLS
To start off, 2009 Mercedes-Benz CLS is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Kia Optima. In addition, the cost of maintenance, including insurance, on 2007 Kia Optima would be higher. At 2,995 cc (6 cylinders), 2009 Mercedes-Benz CLS is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz CLS (475 HP @ 6800 RPM) has 290 more horse power than 2007 Kia Optima. (185 HP @ 6000 RPM) In normal driving conditions, 2009 Mercedes-Benz CLS should accelerate faster than 2007 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mercedes-Benz CLS weights approximately 243 kg more than 2007 Kia Optima. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Mercedes-Benz CLS 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 2009 Mercedes-Benz CLS. However, in wet, icy, snow, or gravel driving conditions, 2007 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, 2009 Mercedes-Benz CLS (630 Nm @ 5000 RPM) has 383 more torque (in Nm) than 2007 Kia Optima. (247 Nm @ 4000 RPM). This means 2009 Mercedes-Benz CLS will have an easier job in driving up hills or pulling heavy equipment than 2007 Kia Optima.
Compare all specifications:
2007 Kia Optima | 2009 Mercedes-Benz CLS | |
Make | Kia | Mercedes-Benz |
Model | Optima | CLS |
Year Released | 2007 | 2009 |
Body Type | Sedan | Sedan |
Engine Position | Front | Front |
Engine Size | 2654 cc | 2995 cc |
Engine Cylinders | 6 cylinders | 6 cylinders |
Engine Type | V | V |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 185 HP | 475 HP |
Engine RPM | 6000 RPM | 6800 RPM |
Torque | 247 Nm | 630 Nm |
Torque RPM | 4000 RPM | 5000 RPM |
Engine Bore Size | 86.7 mm | 88 mm |
Engine Stroke Size | 75 mm | 82.1 mm |
Engine Compression Ratio | 10.4:1 | 11.3:1 |
Fuel Type | Gasoline - Premium | Gasoline - Premium |
Drive Type | Front | Rear |
Transmission Type | Automatic | Automatic |
Number of Seats | 5 seats | 4 seats |
Number of Doors | 4 doors | 4 doors |
Vehicle Weight | 1487 kg | 1730 kg |
Vehicle Length | 4740 mm | 4920 mm |
Vehicle Width | 1810 mm | 1880 mm |
Vehicle Height | 1490 mm | 1440 mm |
Wheelbase Size | 2730 mm | 2860 mm |
Fuel Consumption Overall | 9.4 L/100km | 9.8 L/100km |
Fuel Tank Capacity | 62 L | 80 L |