2006 BMW Z4 vs. 2001 Kia Sephia II
To start off, 2006 BMW Z4 is newer by 5 year(s). Which means there will be less support and parts availability for 2001 Kia Sephia II. In addition, the cost of maintenance, including insurance, on 2001 Kia Sephia II would be higher. At 3,246 cc (6 cylinders), 2006 BMW Z4 is equipped with a bigger engine. In terms of performance, 2006 BMW Z4 (338 HP @ 7900 RPM) has 259 more horse power than 2001 Kia Sephia II. (79 HP @ 5500 RPM). In normal driving conditions, 2006 BMW Z4 should accelerate faster than 2001 Kia Sephia II. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW Z4 weights approximately 430 kg more than 2001 Kia Sephia II. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 BMW Z4 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 2006 BMW Z4. However, in wet, icy, snow, or gravel driving conditions, 2001 Kia Sephia II, 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, 2006 BMW Z4 (365 Nm @ 4900 RPM) has 243 more torque (in Nm) than 2001 Kia Sephia II. (122 Nm @ 2500 RPM). This means 2006 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2001 Kia Sephia II.
Compare all specifications:
| 2006 BMW Z4 | 2001 Kia Sephia II | |
| Make | BMW | Kia |
| Model | Z4 | Sephia II |
| Year Released | 2006 | 2001 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3246 cc | 1497 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 338 HP | 79 HP |
| Engine RPM | 7900 RPM | 5500 RPM |
| Torque | 365 Nm | 122 Nm |
| Torque RPM | 4900 RPM | 2500 RPM |
| Engine Compression Ratio | 11.5:1 | 9.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1485 kg | 1055 kg |
| Vehicle Length | 4120 mm | 4520 mm |
| Vehicle Width | 1790 mm | 1730 mm |
| Vehicle Height | 1310 mm | 1420 mm |
| Wheelbase Size | 2500 mm | 2570 mm |
| Fuel Tank Capacity | 55 L | 50 L |
