2007 BMW 750 vs. 2006 Kia Optima
To start off, 2007 BMW 750 is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Kia Optima. In addition, the cost of maintenance, including insurance, on 2006 Kia Optima would be higher. At 4,797 cc (8 cylinders), 2007 BMW 750 is equipped with a bigger engine. In terms of performance, 2007 BMW 750 (360 HP @ 6300 RPM) has 222 more horse power than 2006 Kia Optima. (138 HP @ 5500 RPM). In normal driving conditions, 2007 BMW 750 should accelerate faster than 2006 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 750 weights approximately 347 kg more than 2006 Kia Optima. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 BMW 750 is four wheel drive (4WD), it will have significant more traction and grip than 2006 Kia Optima. In wet, icy, snow, or gravel driving conditions, 2007 BMW 750 will offer significantly more control. 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 BMW 750 (488 Nm @ 3400 RPM) has 289 more torque (in Nm) than 2006 Kia Optima. (199 Nm @ 3000 RPM). This means 2007 BMW 750 will have an easier job in driving up hills or pulling heavy equipment than 2006 Kia Optima.
Compare all specifications:
| 2007 BMW 750 | 2006 Kia Optima | |
| Make | BMW | Kia |
| Model | 750 | Optima |
| Year Released | 2007 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4797 cc | 2360 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 360 HP | 138 HP |
| Engine RPM | 6300 RPM | 5500 RPM |
| Torque | 488 Nm | 199 Nm |
| Torque RPM | 3400 RPM | 3000 RPM |
| Engine Bore Size | 93 mm | 86.6 mm |
| Engine Stroke Size | 88.3 mm | 100 mm |
| Engine Compression Ratio | 11.0:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1835 kg | 1488 kg |
| Vehicle Length | 5050 mm | 4730 mm |
| Vehicle Width | 1910 mm | 1820 mm |
| Vehicle Height | 1500 mm | 1420 mm |
| Wheelbase Size | 3000 mm | 2710 mm |
| Fuel Consumption Highway | 9.4 L/100km | 7.8 L/100km |
| Fuel Consumption City | 13.8 L/100km | 10.2 L/100km |
| Fuel Consumption Overall | 11.8 L/100km | 9.4 L/100km |
| Fuel Tank Capacity | 88 L | 65 L |
