2006 BMW X3 vs. 2006 Kia Optima
To start off, both 2006 BMW X3 and 2006 Kia Optima were released in the same year (2006). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,977 cc (6 cylinders), 2006 BMW X3 is equipped with a bigger engine. In terms of performance, 2006 BMW X3 (228 HP @ 5900 RPM) has 58 more horse power than 2006 Kia Optima. (170 HP @ 6000 RPM). In normal driving conditions, 2006 BMW X3 should accelerate faster than 2006 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2006 Kia Optima weights approximately 127 kg more than 2006 BMW X3.
Because 2006 BMW X3 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, 2006 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, 2006 BMW X3 (300 Nm @ 3500 RPM) has 55 more torque (in Nm) than 2006 Kia Optima. (245 Nm @ 4000 RPM). This means 2006 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 2006 Kia Optima.
Compare all specifications:
| 2006 BMW X3 | 2006 Kia Optima | |
| Make | BMW | Kia |
| Model | X3 | Optima |
| Year Released | 2006 | 2006 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2977 cc | 2671 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 228 HP | 170 HP |
| Engine RPM | 5900 RPM | 6000 RPM |
| Torque | 300 Nm | 245 Nm |
| Torque RPM | 3500 RPM | 4000 RPM |
| Engine Compression Ratio | 10.2:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1360 kg | 1487 kg |
| Vehicle Length | 4570 mm | 4730 mm |
| Vehicle Width | 1860 mm | 1820 mm |
| Vehicle Height | 1680 mm | 1420 mm |
| Wheelbase Size | 2800 mm | 2710 mm |
| Fuel Consumption Highway | 9.4 L/100km | 8.7 L/100km |
| Fuel Consumption Overall | 12.1 L/100km | 10.2 L/100km |
| Fuel Tank Capacity | 67 L | 65 L |
