2006 BMW Z4 vs. 2009 Kia Optima
To start off, 2009 Kia Optima is newer by 3 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 2,492 cc (6 cylinders), 2006 BMW Z4 is equipped with a bigger engine. In terms of performance, 2006 BMW Z4 (189 HP @ 6000 RPM) has 16 more horse power than 2009 Kia Optima. (173 HP @ 6000 RPM). In normal driving conditions, 2006 BMW Z4 should accelerate faster than 2009 Kia Optima.
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, 2009 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, 2006 BMW Z4 (245 Nm @ 3500 RPM) has 76 more torque (in Nm) than 2009 Kia Optima. (169 Nm @ 4000 RPM). This means 2006 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2009 Kia Optima.
Compare all specifications:
2006 BMW Z4 | 2009 Kia Optima | |
Make | BMW | Kia |
Model | Z4 | Optima |
Year Released | 2006 | 2009 |
Body Type | Convertible | Sedan |
Engine Position | Front | Front |
Engine Size | 2492 cc | 2399 cc |
Engine Cylinders | 6 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 189 HP | 173 HP |
Engine RPM | 6000 RPM | 6000 RPM |
Torque | 245 Nm | 169 Nm |
Torque RPM | 3500 RPM | 4000 RPM |
Engine Bore Size | 84 mm | 91 mm |
Engine Stroke Size | 75 mm | 96 mm |
Engine Compression Ratio | 11.0:1 | 10.1:1 |
Fuel Type | Gasoline - Premium | Gasoline |
Drive Type | Rear | Front |
Transmission Type | Manual | Manual |
Number of Seats | 2 seats | 5 seats |
Number of Doors | 2 doors | 4 doors |
Vehicle Length | 4100 mm | 4810 mm |
Vehicle Width | 1790 mm | 1810 mm |
Vehicle Height | 1310 mm | 1490 mm |
Wheelbase Size | 2500 mm | 2730 mm |
Fuel Consumption Overall | 9 L/100km | 9.4 L/100km |
Fuel Tank Capacity | 55 L | 62 L |