2007 BMW Z4 vs. 2007 Kia Opirus
To start off, both 2007 BMW Z4 and 2007 Kia Opirus were released in the same year (2007). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 3,495 cc (6 cylinders), 2007 Kia Opirus is equipped with a bigger engine. In terms of performance, 2007 Kia Opirus (200 HP @ 5500 RPM) has 11 more horse power than 2007 BMW Z4. (189 HP @ 6000 RPM) In normal driving conditions, 2007 Kia Opirus should accelerate faster than 2007 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2007 Kia Opirus weights approximately 637 kg more than 2007 BMW Z4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 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 2007 BMW Z4. However, in wet, icy, snow, or gravel driving conditions, 2007 Kia Opirus, 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, 2007 Kia Opirus (298 Nm @ 3500 RPM) has 53 more torque (in Nm) than 2007 BMW Z4. (245 Nm @ 3500 RPM). This means 2007 Kia Opirus will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW Z4. 2007 Kia Opirus has automatic transmission and 2007 BMW Z4 has manual transmission. 2007 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Kia Opirus will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 BMW Z4 | 2007 Kia Opirus | |
| Make | BMW | Kia |
| Model | Z4 | Opirus |
| Year Released | 2007 | 2007 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 3495 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 189 HP | 200 HP |
| Engine RPM | 6000 RPM | 5500 RPM |
| Torque | 245 Nm | 298 Nm |
| Torque RPM | 3500 RPM | 3500 RPM |
| Engine Bore Size | 84 mm | 93 mm |
| Engine Stroke Size | 75 mm | 85.8 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 235 km/hour | 220 km/hour |
| Acceleration 0-100mph | 7 seconds | 9.2 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1260 kg | 1897 kg |
| Vehicle Length | 4100 mm | 4990 mm |
| Vehicle Width | 1790 mm | 1860 mm |
| Vehicle Height | 1310 mm | 1490 mm |
| Wheelbase Size | 2500 mm | 2810 mm |
| Fuel Consumption Overall | 9.1 L/100km | 11.4 L/100km |
| Fuel Tank Capacity | 55 L | 70 L |
