2006 BMW Z4 vs. 2007 Citroen C4
To start off, 2007 Citroen C4 is newer by 1 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 2,170 cc (6 cylinders), 2006 BMW Z4 is equipped with a bigger engine. In terms of performance, 2006 BMW Z4 (168 HP @ 6250 RPM) has 29 more horse power than 2007 Citroen C4. (139 HP @ 6000 RPM). In normal driving conditions, 2006 BMW Z4 should accelerate faster than 2007 Citroen C4. With that said, vehicle weight also plays an important factor in acceleration. 2007 Citroen C4 weights approximately 310 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, 2007 Citroen C4, 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 (210 Nm @ 3500 RPM) has 10 more torque (in Nm) than 2007 Citroen C4. (200 Nm @ 4000 RPM). This means 2006 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2007 Citroen C4.
Compare all specifications:
| 2006 BMW Z4 | 2007 Citroen C4 | |
| Make | BMW | Citroen |
| Model | Z4 | C4 |
| Year Released | 2006 | 2007 |
| Body Type | Convertible | Minivan |
| Engine Position | Front | Front |
| Engine Size | 2170 cc | 1997 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 168 HP | 139 HP |
| Engine RPM | 6250 RPM | 6000 RPM |
| Torque | 210 Nm | 200 Nm |
| Torque RPM | 3500 RPM | 4000 RPM |
| Engine Bore Size | 80 mm | 85 mm |
| Engine Stroke Size | 72 mm | 88 mm |
| Engine Compression Ratio | 10.8:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 225 km/hour | 195 km/hour |
| Acceleration 0-100mph | 7.7 seconds | 12.9 seconds |
| Drive Type | Rear | Front |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1325 kg | 1635 kg |
| Vehicle Length | 4100 mm | 4280 mm |
| Vehicle Width | 1790 mm | 1840 mm |
| Vehicle Height | 1310 mm | 1630 mm |
| Wheelbase Size | 2500 mm | 2730 mm |
| Fuel Consumption Overall | 8.9 L/100km | 8 L/100km |
| Fuel Tank Capacity | 55 L | 60 L |
