2005 BMW 318 vs. 2006 Kia Optima
To start off, 2006 Kia Optima is newer by 1 year(s). Which means there will be less support and parts availability for 2005 BMW 318. In addition, the cost of maintenance, including insurance, on 2005 BMW 318 would be higher. At 2,671 cc (6 cylinders), 2006 Kia Optima is equipped with a bigger engine. In terms of performance, 2006 Kia Optima (170 HP @ 6000 RPM) has 29 more horse power than 2005 BMW 318. (141 HP @ 6000 RPM) In normal driving conditions, 2006 Kia Optima should accelerate faster than 2005 BMW 318. With that said, vehicle weight also plays an important factor in acceleration. 2006 Kia Optima weights approximately 93 kg more than 2005 BMW 318. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 BMW 318 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 2005 BMW 318. However, in wet, icy, snow, or gravel driving conditions, 2006 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, 2006 Kia Optima (245 Nm @ 4000 RPM) has 44 more torque (in Nm) than 2005 BMW 318. (201 Nm @ 3750 RPM). This means 2006 Kia Optima will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 318.
Compare all specifications:
| 2005 BMW 318 | 2006 Kia Optima | |
| Make | BMW | Kia |
| Model | 318 | Optima |
| Year Released | 2005 | 2006 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 2671 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 141 HP | 170 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 201 Nm | 245 Nm |
| Torque RPM | 3750 RPM | 4000 RPM |
| Engine Bore Size | 84 mm | 86.7 mm |
| Engine Stroke Size | 90 mm | 75 mm |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1395 kg | 1488 kg |
| Vehicle Length | 4490 mm | 4730 mm |
| Vehicle Width | 1760 mm | 1820 mm |
| Vehicle Height | 1380 mm | 1420 mm |
| Wheelbase Size | 2740 mm | 2710 mm |
| Fuel Consumption Overall | 7.4 L/100km | 10.2 L/100km |
| Fuel Tank Capacity | 63 L | 65 L |
