2005 BMW 745 vs. 2004 Kia Optima
To start off, 2005 BMW 745 is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Kia Optima. In addition, the cost of maintenance, including insurance, on 2004 Kia Optima would be higher. At 4,398 cc (8 cylinders), 2005 BMW 745 is equipped with a bigger engine. In terms of performance, 2005 BMW 745 (325 HP @ 6000 RPM) has 187 more horse power than 2004 Kia Optima. (138 HP @ 3800 RPM). In normal driving conditions, 2005 BMW 745 should accelerate faster than 2004 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 745 weights approximately 461 kg more than 2004 Kia Optima. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 BMW 745 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 745. However, in wet, icy, snow, or gravel driving conditions, 2004 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 745 (450 Nm) has 251 more torque (in Nm) than 2004 Kia Optima. (199 Nm). This means 2005 BMW 745 will have an easier job in driving up hills or pulling heavy equipment than 2004 Kia Optima.
Compare all specifications:
| 2005 BMW 745 | 2004 Kia Optima | |
| Make | BMW | Kia |
| Model | 745 | Optima |
| Year Released | 2005 | 2004 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 2398 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 325 HP | 138 HP |
| Engine RPM | 6000 RPM | 3800 RPM |
| Torque | 450 Nm | 199 Nm |
| Engine Bore Size | 92.1 mm | 87 mm |
| Engine Stroke Size | 82.7 mm | 100 mm |
| Engine Compression Ratio | 10.5:1 | 10.0:1 |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 2010 kg | 1549 kg |
| Wheelbase Size | 3000 mm | 2720 mm |
| Fuel Consumption Overall | 11.2 L/100km | 9.4 L/100km |
| Fuel Tank Capacity | 88 L | 65 L |
