2005 BMW 730 vs. 2012 Kia Optima
To start off, 2012 Kia Optima is newer by 7 year(s). Which means there will be less support and parts availability for 2005 BMW 730. In addition, the cost of maintenance, including insurance, on 2005 BMW 730 would be higher. At 2,979 cc (6 cylinders), 2005 BMW 730 is equipped with a bigger engine. In terms of performance, 2012 Kia Optima (274 HP @ 6000 RPM) has 49 more horse power than 2005 BMW 730. (225 HP @ 4000 RPM) In normal driving conditions, 2012 Kia Optima should accelerate faster than 2005 BMW 730. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 730 weights approximately 440 kg more than 2012 Kia Optima.
Because 2005 BMW 730 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 730. However, in wet, icy, snow, or gravel driving conditions, 2012 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, 2005 BMW 730 (500 Nm @ 2000 RPM) has 136 more torque (in Nm) than 2012 Kia Optima. (364 Nm @ 1750 RPM). This means 2005 BMW 730 will have an easier job in driving up hills or pulling heavy equipment than 2012 Kia Optima.
Compare all specifications:
| 2005 BMW 730 | 2012 Kia Optima | |
| Make | BMW | Kia |
| Model | 730 | Optima |
| Year Released | 2005 | 2012 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 2000 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 225 HP | 274 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 500 Nm | 364 Nm |
| Torque RPM | 2000 RPM | 1750 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1975 kg | 1535 kg |
| Vehicle Length | 5050 mm | 4844 mm |
| Vehicle Width | 1910 mm | 1831 mm |
| Vehicle Height | 1500 mm | 1455 mm |
| Wheelbase Size | 2890 mm | 2797 mm |
| Fuel Consumption | 6.4 L/100km | 6.9 L/100km |
| Fuel Consumption City | 11.3 L/100km | 10.7 L/100km |
| Fuel Tank Capacity | 88 L | 70 L |
