2007 BMW X3 vs. 2007 Kia Optima
To start off, both 2007 BMW X3 and 2007 Kia Optima were released in the same year (2007). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,991 cc (6 cylinders), 2007 BMW X3 is equipped with a bigger engine. In terms of performance, 2007 BMW X3 (201 HP @ 4000 RPM) has 16 more horse power than 2007 Kia Optima. (185 HP @ 6000 RPM). In normal driving conditions, 2007 BMW X3 should accelerate faster than 2007 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X3 weights approximately 438 kg more than 2007 Kia Optima. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Kia Optima. In wet, icy, snow, or gravel driving conditions, 2007 BMW X3 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 X3 (410 Nm @ 1500 RPM) has 163 more torque (in Nm) than 2007 Kia Optima. (247 Nm @ 4000 RPM). This means 2007 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 2007 Kia Optima.
Compare all specifications:
2007 BMW X3 | 2007 Kia Optima | |
Make | BMW | Kia |
Model | X3 | Optima |
Year Released | 2007 | 2007 |
Body Type | SUV | Sedan |
Engine Position | Front | Front |
Engine Size | 2991 cc | 2654 cc |
Engine Cylinders | 6 cylinders | 6 cylinders |
Engine Type | in-line | V |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 201 HP | 185 HP |
Engine RPM | 4000 RPM | 6000 RPM |
Torque | 410 Nm | 247 Nm |
Torque RPM | 1500 RPM | 4000 RPM |
Engine Bore Size | 84 mm | 86.7 mm |
Engine Stroke Size | 90 mm | 75 mm |
Engine Compression Ratio | 17.0:1 | 10.4:1 |
Fuel Type | Diesel | Gasoline - Premium |
Drive Type | 4WD | Front |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 5 doors | 4 doors |
Vehicle Weight | 1925 kg | 1487 kg |
Vehicle Length | 4570 mm | 4740 mm |
Vehicle Width | 1860 mm | 1810 mm |
Vehicle Height | 1680 mm | 1490 mm |
Wheelbase Size | 2800 mm | 2730 mm |
Fuel Consumption Overall | 8.4 L/100km | 9.4 L/100km |
Fuel Tank Capacity | 67 L | 62 L |