2001 BMW X5 vs. 2004 Kia Optima
To start off, 2004 Kia Optima is newer by 3 year(s). Which means there will be less support and parts availability for 2001 BMW X5. In addition, the cost of maintenance, including insurance, on 2001 BMW X5 would be higher. At 4,619 cc (8 cylinders), 2001 BMW X5 is equipped with a bigger engine. In terms of performance, 2001 BMW X5 (329 HP @ 5700 RPM) has 192 more horse power than 2004 Kia Optima. (137 HP @ 4000 RPM). In normal driving conditions, 2001 BMW X5 should accelerate faster than 2004 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2001 BMW X5 weights approximately 692 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 2001 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 2004 Kia Optima. In wet, icy, snow, or gravel driving conditions, 2001 BMW X5 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, 2001 BMW X5 (480 Nm) has 281 more torque (in Nm) than 2004 Kia Optima. (199 Nm). This means 2001 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2004 Kia Optima.
Compare all specifications:
| 2001 BMW X5 | 2004 Kia Optima | |
| Make | BMW | Kia |
| Model | X5 | Optima |
| Year Released | 2001 | 2004 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4619 cc | 2360 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 329 HP | 137 HP |
| Engine RPM | 5700 RPM | 4000 RPM |
| Torque | 480 Nm | 199 Nm |
| Engine Bore Size | 93 mm | 87.1 mm |
| Engine Stroke Size | 85 mm | 100 mm |
| Engine Compression Ratio | 10.5:1 | 10.0:1 |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2180 kg | 1488 kg |
| Vehicle Length | 4670 mm | 4730 mm |
| Vehicle Width | 1880 mm | 1820 mm |
| Vehicle Height | 1710 mm | 1420 mm |
| Wheelbase Size | 2830 mm | 2710 mm |
| Fuel Consumption Highway | 11.4 L/100km | 7.8 L/100km |
| Fuel Consumption City | 21 L/100km | 10.2 L/100km |
| Fuel Consumption Overall | 14.9 L/100km | 9.4 L/100km |
| Fuel Tank Capacity | 93 L | 65 L |
