2006 BMW Z4 vs. 2008 Kia Spectra
To start off, 2008 Kia Spectra is newer by 2 year(s). Which means there will be less support and parts availability for 2006 BMW Z4. In addition, the cost of maintenance, including insurance, on 2006 BMW Z4 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 (343 HP @ 7900 RPM) has 205 more horse power than 2008 Kia Spectra. (138 HP @ 6000 RPM). In normal driving conditions, 2006 BMW Z4 should accelerate faster than 2008 Kia Spectra. With that said, vehicle weight also plays an important factor in acceleration. 2008 Kia Spectra weights approximately 179 kg more than 2006 BMW Z4.
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, 2008 Kia Spectra, 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 (495 Nm @ 4900 RPM) has 311 more torque (in Nm) than 2008 Kia Spectra. (184 Nm @ 4500 RPM). This means 2006 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2008 Kia Spectra.
Compare all specifications:
| 2006 BMW Z4 | 2008 Kia Spectra | |
| Make | BMW | Kia |
| Model | Z4 | Spectra |
| Year Released | 2006 | 2008 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3246 cc | 1973 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 343 HP | 138 HP |
| Engine RPM | 7900 RPM | 6000 RPM |
| Torque | 495 Nm | 184 Nm |
| Torque RPM | 4900 RPM | 4500 RPM |
| Engine Compression Ratio | 11.5:1 | 10.1:1 |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1332 kg | 1511 kg |
| Vehicle Length | 4100 mm | 4510 mm |
| Vehicle Width | 1790 mm | 1740 mm |
| Vehicle Height | 1300 mm | 1480 mm |
| Wheelbase Size | 2500 mm | 2620 mm |
| Fuel Consumption Overall | 11.4 L/100km | 9.1 L/100km |
| Fuel Tank Capacity | 60 L | 53 L |
