2005 Kia Optima vs. 2008 BMW X5
To start off, 2008 BMW X5 is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Kia Optima. In addition, the cost of maintenance, including insurance, on 2005 Kia Optima would be higher. At 2,993 cc (6 cylinders), 2008 BMW X5 is equipped with a bigger engine. In terms of performance, 2008 BMW X5 (215 HP @ 4000 RPM) has 45 more horse power than 2005 Kia Optima. (170 HP @ 4000 RPM) In normal driving conditions, 2008 BMW X5 should accelerate faster than 2005 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW X5 weights approximately 683 kg more than 2005 Kia Optima. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 2005 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 (500 Nm) has 255 more torque (in Nm) than 2005 Kia Optima. (245 Nm). This means 2008 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2005 Kia Optima.
Compare all specifications:
2005 Kia Optima | 2008 BMW X5 | |
Make | Kia | BMW |
Model | Optima | X5 |
Year Released | 2005 | 2008 |
Body Type | Sedan | SUV |
Engine Position | Front | Front |
Engine Size | 2670 cc | 2993 cc |
Engine Cylinders | 6 cylinders | 6 cylinders |
Engine Type | V | in-line |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 170 HP | 215 HP |
Engine RPM | 4000 RPM | 4000 RPM |
Torque | 245 Nm | 500 Nm |
Engine Bore Size | 87 mm | 84 mm |
Engine Stroke Size | 75 mm | 90 mm |
Engine Compression Ratio | 10.0:1 | 18.0:1 |
Drive Type | Front | 4WD |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 5 doors |
Vehicle Weight | 1487 kg | 2170 kg |
Vehicle Length | 4730 mm | 4670 mm |
Vehicle Width | 1820 mm | 1880 mm |
Vehicle Height | 1420 mm | 1720 mm |
Wheelbase Size | 2640 mm | 2830 mm |
Fuel Consumption Overall | 10.2 L/100km | 8.6 L/100km |
Fuel Tank Capacity | 65 L | 93 L |