2007 Kia Optima vs. 2013 BMW X6
To start off, 2013 BMW X6 is newer by 6 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 4,395 cc (6 cylinders), 2013 BMW X6 is equipped with a bigger engine. In terms of performance, 2013 BMW X6 (296 HP @ 5800 RPM) has 111 more horse power than 2007 Kia Optima. (185 HP @ 6000 RPM) In normal driving conditions, 2013 BMW X6 should accelerate faster than 2007 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW X6 weights approximately 683 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 2013 BMW X6 is all wheel drive (AWD), it will have significant more traction and grip than 2007 Kia Optima. In wet, icy, snow, or gravel driving conditions, 2013 BMW X6 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, 2013 BMW X6 (407 Nm @ 5000 RPM) has 160 more torque (in Nm) than 2007 Kia Optima. (247 Nm @ 4000 RPM). This means 2013 BMW X6 will have an easier job in driving up hills or pulling heavy equipment than 2007 Kia Optima.
Compare all specifications:
| 2007 Kia Optima | 2013 BMW X6 | |
| Make | Kia | BMW |
| Model | Optima | X6 |
| Year Released | 2007 | 2013 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2654 cc | 4395 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 185 HP | 296 HP |
| Engine RPM | 6000 RPM | 5800 RPM |
| Torque | 247 Nm | 407 Nm |
| Torque RPM | 4000 RPM | 5000 RPM |
| Engine Bore Size | 86.7 mm | 84 mm |
| Engine Stroke Size | 75 mm | 89 mm |
| Engine Compression Ratio | 10.4:1 | 10.2 : 1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | AWD |
| Transmission Type | Automatic | 8-speed automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1487 kg | 2170 kg |
| Vehicle Length | 4740 mm | 4877 mm |
| Vehicle Width | 1810 mm | 2195 mm |
| Vehicle Height | 1490 mm | 1690 mm |
| Wheelbase Size | 2730 mm | 2933 mm |
| Fuel Consumption | 7.8 L/100km | 8.6 L/100km |
| Fuel Consumption City | 10.7 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 62 L | 85 L |
