2007 Kia Optima vs. 2010 BMW X5
To start off, 2010 BMW X5 is newer by 3 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 4,800 cc (8 cylinders), 2010 BMW X5 is equipped with a bigger engine. In terms of performance, 2010 BMW X5 (350 HP @ 6300 RPM) has 188 more horse power than 2007 Kia Optima. (162 HP @ 5800 RPM) In normal driving conditions, 2010 BMW X5 should accelerate faster than 2007 Kia Optima.
Because 2010 BMW X5 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, 2010 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, 2010 BMW X5 (474 Nm @ 3400 RPM) has 252 more torque (in Nm) than 2007 Kia Optima. (222 Nm @ 4260 RPM). This means 2010 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2007 Kia Optima. 2010 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. 2010 BMW X5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Kia Optima | 2010 BMW X5 | |
| Make | Kia | BMW |
| Model | Optima | X5 |
| Year Released | 2007 | 2010 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2399 cc | 4800 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 162 HP | 350 HP |
| Engine RPM | 5800 RPM | 6300 RPM |
| Torque | 222 Nm | 474 Nm |
| Torque RPM | 4260 RPM | 3400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | AWD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 4740 mm | 4854 mm |
| Vehicle Width | 1810 mm | 1933 mm |
| Vehicle Height | 1490 mm | 1765 mm |
| Wheelbase Size | 2730 mm | 2934 mm |
| Fuel Tank Capacity | 65 L | 85 L |
