2006 BMW Z4 vs. 2004 Citroen C4
To start off, 2006 BMW Z4 is newer by 2 year(s). Which means there will be less support and parts availability for 2004 Citroen C4. In addition, the cost of maintenance, including insurance, on 2004 Citroen C4 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 51 more horse power than 2004 Citroen C4. (138 HP @ 4000 RPM). In normal driving conditions, 2006 BMW Z4 should accelerate faster than 2004 Citroen C4. With that said, vehicle weight also plays an important factor in acceleration. 2004 Citroen C4 weights approximately 40 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, 2004 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, 2004 Citroen C4 (320 Nm @ 2000 RPM) has 75 more torque (in Nm) than 2006 BMW Z4. (245 Nm @ 3500 RPM). This means 2004 Citroen C4 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW Z4.
Compare all specifications:
| 2006 BMW Z4 | 2004 Citroen C4 | |
| Make | BMW | Citroen |
| Model | Z4 | C4 |
| Year Released | 2006 | 2004 |
| Body Type | Convertible | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 1996 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 189 HP | 138 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 245 Nm | 320 Nm |
| Torque RPM | 3500 RPM | 2000 RPM |
| Engine Bore Size | 84 mm | 85 mm |
| Engine Stroke Size | 75 mm | 88 mm |
| Top Speed | 235 km/hour | 208 km/hour |
| Acceleration 0-100mph | 7 seconds | 9.7 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 1335 kg | 1375 kg |
| Vehicle Length | 4100 mm | 4280 mm |
| Vehicle Width | 1790 mm | 1780 mm |
| Vehicle Height | 1310 mm | 1460 mm |
| Wheelbase Size | 2500 mm | 2610 mm |
| Fuel Consumption Overall | 9 L/100km | 5.4 L/100km |
| Fuel Tank Capacity | 55 L | 60 L |
