2007 Kia Optima vs. 2010 BMW 325
To start off, 2010 BMW 325 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 2,654 cc (6 cylinders), 2007 Kia Optima is equipped with a bigger engine. In terms of performance, 2010 BMW 325 (190 HP @ 6000 RPM) has 5 more horse power than 2007 Kia Optima. (185 HP @ 6000 RPM) In normal driving conditions, 2010 BMW 325 should accelerate faster than 2007 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2007 Kia Optima weights approximately 7 kg more than 2010 BMW 325.
Because 2010 BMW 325 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 2010 BMW 325. However, in wet, icy, snow, or gravel driving conditions, 2007 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 Kia Optima (247 Nm @ 4000 RPM) has 2 more torque (in Nm) than 2010 BMW 325. (245 Nm @ 3500 RPM). This means 2007 Kia Optima will have an easier job in driving up hills or pulling heavy equipment than 2010 BMW 325.
Compare all specifications:
| 2007 Kia Optima | 2010 BMW 325 | |
| Make | Kia | BMW |
| Model | Optima | 325 |
| Year Released | 2007 | 2010 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2654 cc | 2494 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 185 HP | 190 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 247 Nm | 245 Nm |
| Torque RPM | 4000 RPM | 3500 RPM |
| Engine Bore Size | 86.7 mm | 84 mm |
| Engine Stroke Size | 75 mm | 75 mm |
| Engine Compression Ratio | 10.4:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1487 kg | 1480 kg |
| Vehicle Length | 4740 mm | 4270 mm |
| Vehicle Width | 1810 mm | 1760 mm |
| Vehicle Height | 1490 mm | 1410 mm |
| Wheelbase Size | 2730 mm | 2730 mm |
| Fuel Consumption Overall | 9.4 L/100km | 9 L/100km |
| Fuel Tank Capacity | 62 L | 63 L |
