2005 Kia Optima vs. 2010 BMW 325
To start off, 2010 BMW 325 is newer by 5 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, 2010 BMW 325 (215 HP @ 6100 RPM) has 45 more horse power than 2005 Kia Optima. (170 HP @ 4000 RPM) In normal driving conditions, 2010 BMW 325 should accelerate faster than 2005 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2010 BMW 325 weights approximately 128 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 2010 BMW 325 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, 2010 BMW 325 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 325 (270 Nm) has 29 more torque (in Nm) than 2005 Kia Optima. (241 Nm). This means 2010 BMW 325 will have an easier job in driving up hills or pulling heavy equipment than 2005 Kia Optima.
Compare all specifications:
| 2005 Kia Optima | 2010 BMW 325 | |
| Make | Kia | BMW |
| Model | Optima | 325 |
| Year Released | 2005 | 2010 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 2494 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 | 6100 RPM |
| Torque | 241 Nm | 270 Nm |
| Engine Bore Size | 87 mm | 85 mm |
| Engine Stroke Size | 75 mm | 88 mm |
| Engine Compression Ratio | 10.0:1 | 12.0:1 |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1487 kg | 1615 kg |
| Vehicle Length | 4730 mm | 4530 mm |
| Vehicle Width | 1820 mm | 1820 mm |
| Vehicle Height | 1420 mm | 1430 mm |
| Wheelbase Size | 2710 mm | 2770 mm |
| Fuel Consumption Overall | 10.4 L/100km | 7.9 L/100km |
| Fuel Tank Capacity | 65 L | 63 L |
