2006 BMW X5 vs. 2013 Kia Optima
To start off, 2013 Kia Optima is newer by 7 year(s). Which means there will be less support and parts availability for 2006 BMW X5. In addition, the cost of maintenance, including insurance, on 2006 BMW X5 would be higher. At 2,979 cc (6 cylinders), 2006 BMW X5 is equipped with a bigger engine. In terms of performance, 2013 Kia Optima (270 HP @ 6000 RPM) has 42 more horse power than 2006 BMW X5. (228 HP @ 3500 RPM) In normal driving conditions, 2013 Kia Optima should accelerate faster than 2006 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW X5 weights approximately 92 kg more than 2013 Kia Optima.
Because 2006 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 2013 Kia Optima. In wet, icy, snow, or gravel driving conditions, 2006 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, 2013 Kia Optima (365 Nm @ 4500 RPM) has 65 more torque (in Nm) than 2006 BMW X5. (300 Nm @ 3500 RPM). This means 2013 Kia Optima will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW X5. 2013 Kia Optima has automatic transmission and 2006 BMW X5 has manual transmission. 2006 BMW X5 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2013 Kia Optima will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 BMW X5 | 2013 Kia Optima | |
| Make | BMW | Kia |
| Model | X5 | Optima |
| Year Released | 2006 | 2013 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 2000 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 228 HP | 270 HP |
| Engine RPM | 3500 RPM | 6000 RPM |
| Torque | 300 Nm | 365 Nm |
| Torque RPM | 3500 RPM | 4500 RPM |
| Engine Bore Size | 84 mm | 86 mm |
| Engine Stroke Size | 89.6 mm | 86 mm |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | 6-speed automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1630 kg | 1538 kg |
| Vehicle Length | 4670 mm | 4845 mm |
| Vehicle Width | 1880 mm | 1830 mm |
| Vehicle Height | 1720 mm | 1455 mm |
| Wheelbase Size | 2830 mm | 2795 mm |
| Fuel Tank Capacity | 93 L | 70 L |
