2011 Kia Optima vs. 2011 BMW 125
To start off, both 2011 Kia Optima and 2011 BMW 125 were released in the same year (2011). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,996 cc (6 cylinders), 2011 BMW 125 is equipped with a bigger engine. In terms of performance, 2011 Kia Optima (274 HP @ 6000 RPM) has 59 more horse power than 2011 BMW 125. (215 HP @ 6100 RPM). In normal driving conditions, 2011 Kia Optima should accelerate faster than 2011 BMW 125. With that said, vehicle weight also plays an important factor in acceleration. 2011 BMW 125 weights approximately 50 kg more than 2011 Kia Optima.
Because 2011 BMW 125 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 2011 BMW 125. However, in wet, icy, snow, or gravel driving conditions, 2011 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, 2011 Kia Optima (364 Nm @ 1750 RPM) has 93 more torque (in Nm) than 2011 BMW 125. (271 Nm @ 2500 RPM). This means 2011 Kia Optima will have an easier job in driving up hills or pulling heavy equipment than 2011 BMW 125.
Compare all specifications:
| 2011 Kia Optima | 2011 BMW 125 | |
| Make | Kia | BMW |
| Model | Optima | 125 |
| Year Released | 2011 | 2011 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2000 cc | 2996 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 274 HP | 215 HP |
| Engine RPM | 6000 RPM | 6100 RPM |
| Torque | 364 Nm | 271 Nm |
| Torque RPM | 1750 RPM | 2500 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1535 kg | 1585 kg |
| Vehicle Length | 4844 mm | 4370 mm |
| Vehicle Width | 1831 mm | 1750 mm |
| Vehicle Height | 1455 mm | 1420 mm |
| Wheelbase Size | 2797 mm | 2670 mm |
| Fuel Tank Capacity | 70 L | 53 L |
