2009 BMW X5 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 BMW X5. In addition, the cost of maintenance, including insurance, on 2009 BMW X5 would be higher. At 2,993 cc (6 cylinders), 2009 BMW X5 is equipped with a bigger engine. In terms of performance, 2009 BMW X5 (282 HP @ 4400 RPM) has 116 more horse power than 2011 Kia Optima. (166 HP @ 6000 RPM). In normal driving conditions, 2009 BMW X5 should accelerate faster than 2011 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW X5 weights approximately 567 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 BMW X5 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 BMW X5 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 BMW X5 (580 Nm @ 1750 RPM) has 371 more torque (in Nm) than 2011 Kia Optima. (209 Nm @ 4250 RPM). This means 2009 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2011 Kia Optima.
Compare all specifications:
| 2009 BMW X5 | 2011 Kia Optima | |
| Make | BMW | Kia |
| Model | X5 | Optima |
| Year Released | 2009 | 2011 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 2400 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 282 HP | 166 HP |
| Engine RPM | 4400 RPM | 6000 RPM |
| Torque | 580 Nm | 209 Nm |
| Torque RPM | 1750 RPM | 4250 RPM |
| Fuel Type | Diesel | Gasoline / Electric Hybrid |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2150 kg | 1583 kg |
| Vehicle Length | 4860 mm | 4844 mm |
| Vehicle Width | 1940 mm | 1831 mm |
| Vehicle Height | 1740 mm | 1455 mm |
| Wheelbase Size | 2940 mm | 2797 mm |
| Fuel Tank Capacity | 85 L | 65 L |
