2005 Kia Optima vs. 2006 Mercedes-Benz E
To start off, 2006 Mercedes-Benz E is newer by 1 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 3,491 cc (6 cylinders), 2006 Mercedes-Benz E is equipped with a bigger engine. In terms of performance, 2006 Mercedes-Benz E (268 HP @ 6000 RPM) has 130 more horse power than 2005 Kia Optima. (138 HP @ 3800 RPM) In normal driving conditions, 2006 Mercedes-Benz E should accelerate faster than 2005 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2006 Mercedes-Benz E weights approximately 297 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 2006 Mercedes-Benz E is four wheel drive (4WD), it will have significant more traction and grip than 2005 Kia Optima. In wet, icy, snow, or gravel driving conditions, 2006 Mercedes-Benz E 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, 2006 Mercedes-Benz E (350 Nm) has 151 more torque (in Nm) than 2005 Kia Optima. (199 Nm). This means 2006 Mercedes-Benz E will have an easier job in driving up hills or pulling heavy equipment than 2005 Kia Optima.
Compare all specifications:
| 2005 Kia Optima | 2006 Mercedes-Benz E | |
| Make | Kia | Mercedes-Benz |
| Model | Optima | E |
| Year Released | 2005 | 2006 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2360 cc | 3491 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 268 HP |
| Engine RPM | 3800 RPM | 6000 RPM |
| Torque | 199 Nm | 350 Nm |
| Engine Bore Size | 87 mm | 92.9 mm |
| Engine Stroke Size | 100 mm | 86 mm |
| Engine Compression Ratio | 10.0:1 | 10.7:1 |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1488 kg | 1785 kg |
| Vehicle Length | 4730 mm | 4860 mm |
| Vehicle Width | 1820 mm | 1830 mm |
| Vehicle Height | 1420 mm | 1490 mm |
| Wheelbase Size | 2710 mm | 2860 mm |
| Fuel Consumption | 7.8 L/100km | 9.1 L/100km |
| Fuel Consumption City | 10.2 L/100km | 13.1 L/100km |
| Fuel Consumption Overall | 9.4 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 65 L | 80 L |
