2005 Kia Optima vs. 2010 Mercedes-Benz C
To start off, 2010 Mercedes-Benz C is newer by 5 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 6,200 cc (8 cylinders), 2010 Mercedes-Benz C is equipped with a bigger engine. In terms of performance, 2010 Mercedes-Benz C (451 HP @ 6800 RPM) has 313 more horse power than 2005 Kia Optima. (138 HP @ 3800 RPM) In normal driving conditions, 2010 Mercedes-Benz C should accelerate faster than 2005 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2010 Mercedes-Benz C weights approximately 292 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 2010 Mercedes-Benz C 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 2010 Mercedes-Benz C. 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, 2010 Mercedes-Benz C (600 Nm) has 401 more torque (in Nm) than 2005 Kia Optima. (199 Nm). This means 2010 Mercedes-Benz C will have an easier job in driving up hills or pulling heavy equipment than 2005 Kia Optima.
Compare all specifications:
| 2005 Kia Optima | 2010 Mercedes-Benz C | |
| Make | Kia | Mercedes-Benz |
| Model | Optima | C |
| Year Released | 2005 | 2010 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2360 cc | 6200 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 451 HP |
| Engine RPM | 3800 RPM | 6800 RPM |
| Torque | 199 Nm | 600 Nm |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1488 kg | 1780 kg |
| Vehicle Length | 4730 mm | 4727 mm |
| Vehicle Width | 1820 mm | 1796 mm |
| Vehicle Height | 1420 mm | 1438 mm |
| Wheelbase Size | 2710 mm | 2761 mm |
| Fuel Consumption | 7.8 L/100km | 12.4 L/100km |
| Fuel Consumption City | 10.2 L/100km | 19.6 L/100km |
| Fuel Tank Capacity | 65 L | 66 L |
