2008 BMW X5 vs. 2007 Kia Optima
To start off, 2008 BMW X5 is newer by 1 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 4,398 cc, 2008 BMW X5 is equipped with a bigger engine.
Because 2008 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Kia Optima. In wet, icy, snow, or gravel driving conditions, 2008 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, 2008 BMW X5 (440 Nm @ 5400 RPM) has 218 more torque (in Nm) than 2007 Kia Optima. (222 Nm @ 4250 RPM). This means 2008 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2007 Kia Optima. 2008 BMW X5 has automatic transmission and 2007 Kia Optima has manual transmission. 2007 Kia Optima will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 BMW X5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 BMW X5 | 2007 Kia Optima | |
| Make | BMW | Kia |
| Model | X5 | Optima |
| Year Released | 2008 | 2007 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 2359 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 0 HP | 162 HP |
| Torque | 440 Nm | 222 Nm |
| Torque RPM | 5400 RPM | 4250 RPM |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Length | 4670 mm | 4740 mm |
| Vehicle Width | 1880 mm | 1810 mm |
| Vehicle Height | 1710 mm | 1490 mm |
| Wheelbase Size | 2830 mm | 2730 mm |
| Fuel Consumption Overall | 13.9 L/100km | 8.4 L/100km |
| Fuel Tank Capacity | 93 L | 62 L |
