2009 BMW Z4 vs. 2006 Kia Optima
To start off, 2009 BMW Z4 is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Kia Optima. In addition, the cost of maintenance, including insurance, on 2006 Kia Optima would be higher. At 2,360 cc (4 cylinders), 2006 Kia Optima is equipped with a bigger engine. In terms of performance, 2009 BMW Z4 (148 HP @ 6200 RPM) has 10 more horse power than 2006 Kia Optima. (138 HP @ 5500 RPM). In normal driving conditions, 2009 BMW Z4 should accelerate faster than 2006 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2006 Kia Optima weights approximately 709 kg more than 2009 BMW Z4.
Because 2009 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 2009 BMW Z4. However, in wet, icy, snow, or gravel driving conditions, 2006 Kia Optima, 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, 2009 BMW Z4 (200 Nm @ 3600 RPM) has 1 more torque (in Nm) than 2006 Kia Optima. (199 Nm @ 3000 RPM). This means 2009 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2006 Kia Optima.
Compare all specifications:
2009 BMW Z4 | 2006 Kia Optima | |
Make | BMW | Kia |
Model | Z4 | Optima |
Year Released | 2009 | 2006 |
Body Type | Convertible | Sedan |
Engine Position | Front | Front |
Engine Size | 1995 cc | 2360 cc |
Engine Cylinders | 4 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 148 HP | 138 HP |
Engine RPM | 6200 RPM | 5500 RPM |
Torque | 200 Nm | 199 Nm |
Torque RPM | 3600 RPM | 3000 RPM |
Engine Compression Ratio | 10.5:1 | 10.0:1 |
Drive Type | Rear | Front |
Number of Seats | 2 seats | 5 seats |
Number of Doors | 2 doors | 4 doors |
Vehicle Weight | 1295 kg | 2004 kg |
Vehicle Length | 4100 mm | 4730 mm |
Vehicle Width | 1310 mm | 1820 mm |
Vehicle Height | 1790 mm | 1420 mm |
Wheelbase Size | 2500 mm | 2710 mm |
Fuel Consumption Overall | 7.5 L/100km | 9.4 L/100km |
Fuel Tank Capacity | 55 L | 65 L |