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, 2006 BMW X5 (228 HP @ 3500 RPM) has 31 more horse power than 2013 Kia Optima. (197 HP @ 6300 RPM). In normal driving conditions, 2006 BMW X5 should accelerate faster than 2013 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW X5 weights approximately 176 kg more than 2013 Kia Optima. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2006 BMW X5 (300 Nm @ 3500 RPM) has 48 more torque (in Nm) than 2013 Kia Optima. (252 Nm @ 4250 RPM). This means 2006 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2013 Kia Optima.
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 | 2400 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 228 HP | 197 HP |
| Engine RPM | 3500 RPM | 6300 RPM |
| Torque | 300 Nm | 252 Nm |
| Torque RPM | 3500 RPM | 4250 RPM |
| Engine Bore Size | 84 mm | 88 mm |
| Engine Stroke Size | 89.6 mm | 97 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | 6-speed manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1630 kg | 1454 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 |
