2005 Kia Optima vs. 2007 BMW 525
To start off, 2007 BMW 525 is newer by 2 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 2,671 cc (6 cylinders), 2005 Kia Optima is equipped with a bigger engine. In terms of performance, 2007 BMW 525 (175 HP @ 4000 RPM) has 5 more horse power than 2005 Kia Optima. (170 HP @ 4000 RPM) In normal driving conditions, 2007 BMW 525 should accelerate faster than 2005 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 525 weights approximately 265 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 2007 BMW 525 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2007 BMW 525. However, in wet, icy, snow, or gravel driving conditions, 2005 Kia Optima, being front wheel drive (FWD), will offer much better control with better grip. 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, 2007 BMW 525 (400 Nm) has 159 more torque (in Nm) than 2005 Kia Optima. (241 Nm). This means 2007 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 2005 Kia Optima.
Compare all specifications:
2005 Kia Optima | 2007 BMW 525 | |
Make | Kia | BMW |
Model | Optima | 525 |
Year Released | 2005 | 2007 |
Body Type | Sedan | Station Wagon |
Engine Position | Front | Front |
Engine Size | 2671 cc | 2497 cc |
Engine Cylinders | 6 cylinders | 6 cylinders |
Engine Type | V | in-line |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 170 HP | 175 HP |
Engine RPM | 4000 RPM | 4000 RPM |
Torque | 241 Nm | 400 Nm |
Engine Bore Size | 87 mm | 84 mm |
Engine Stroke Size | 75 mm | 75.1 mm |
Engine Compression Ratio | 10.0:1 | 17.0:1 |
Drive Type | Front | Rear |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 5 doors |
Vehicle Weight | 1487 kg | 1752 kg |
Vehicle Length | 4730 mm | 4850 mm |
Vehicle Width | 1820 mm | 1850 mm |
Vehicle Height | 1420 mm | 1500 mm |
Wheelbase Size | 2710 mm | 2840 mm |
Fuel Consumption Overall | 10.4 L/100km | 7.1 L/100km |
Fuel Tank Capacity | 65 L | 70 L |