2007 BMW Z4 vs. 2004 Citroen C4
To start off, 2007 BMW Z4 is newer by 3 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 2,996 cc (6 cylinders), 2007 BMW Z4 is equipped with a bigger engine. In terms of performance, 2007 BMW Z4 (335 HP @ 7900 RPM) has 200 more horse power than 2004 Citroen C4. (135 HP @ 4000 RPM). In normal driving conditions, 2007 BMW Z4 should accelerate faster than 2004 Citroen C4. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW Z4 weights approximately 35 kg more than 2004 Citroen C4. 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, 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, 2007 BMW Z4 (315 Nm @ 2750 RPM) has 1 more torque (in Nm) than 2004 Citroen C4. (314 Nm @ 2000 RPM). This means 2007 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2004 Citroen C4.
Compare all specifications:
| 2007 BMW Z4 | 2004 Citroen C4 | |
| Make | BMW | Citroen |
| Model | Z4 | C4 |
| Year Released | 2007 | 2004 |
| Body Type | Convertible | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2996 cc | 1997 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 335 HP | 135 HP |
| Engine RPM | 7900 RPM | 4000 RPM |
| Torque | 315 Nm | 314 Nm |
| Torque RPM | 2750 RPM | 2000 RPM |
| Engine Compression Ratio | 11.5:1 | 11.0:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Front |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1310 kg | 1275 kg |
| Vehicle Length | 4100 mm | 4270 mm |
| Vehicle Width | 1790 mm | 1780 mm |
| Vehicle Height | 1310 mm | 1460 mm |
| Wheelbase Size | 2500 mm | 2620 mm |
| Fuel Tank Capacity | 55 L | 60 L |
