2007 BMW 525 vs. 2005 Kia Optima
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 2,670 cc (6 cylinders), 2005 Kia Optima is equipped with a bigger engine. In terms of performance, 2007 BMW 525 (215 HP @ 6500 RPM) has 45 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. 2005 Kia Optima weights approximately 207 kg more than 2007 BMW 525.
Because 2007 BMW 525 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, 2007 BMW 525 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, 2007 BMW 525 (251 Nm) has 6 more torque (in Nm) than 2005 Kia Optima. (245 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:
| 2007 BMW 525 | 2005 Kia Optima | |
| Make | BMW | Kia |
| Model | 525 | Optima |
| Year Released | 2007 | 2005 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 2670 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 215 HP | 170 HP |
| Engine RPM | 6500 RPM | 4000 RPM |
| Torque | 251 Nm | 245 Nm |
| Engine Bore Size | 78.8 mm | 87 mm |
| Engine Stroke Size | 82 mm | 75 mm |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1280 kg | 1487 kg |
| Vehicle Length | 4850 mm | 4730 mm |
| Vehicle Width | 1850 mm | 1820 mm |
| Vehicle Height | 1500 mm | 1420 mm |
| Wheelbase Size | 2840 mm | 2640 mm |
| Fuel Consumption Overall | 9.9 L/100km | 10.2 L/100km |
| Fuel Tank Capacity | 70 L | 65 L |
