2006 BMW 645 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 645. In addition, the cost of maintenance, including insurance, on 2006 BMW 645 would be higher. At 4,398 cc (8 cylinders), 2006 BMW 645 is equipped with a bigger engine. In terms of performance, 2006 BMW 645 (328 HP @ 6100 RPM) has 205 more horse power than 2007 Citroen C4. (123 HP @ 6000 RPM). In normal driving conditions, 2006 BMW 645 should accelerate faster than 2007 Citroen C4. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 645 weights approximately 251 kg more than 2007 Citroen C4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.

Because 2006 BMW 645 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 645. 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 645 (450 Nm @ 3600 RPM) has 280 more torque (in Nm) than 2007 Citroen C4. (170 Nm @ 3750 RPM). This means 2006 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2007 Citroen C4.

Compare all specifications:

2006 BMW 645 2007 Citroen C4
Make BMW Citroen
Model 645 C4
Year Released 2006 2007
Body Type Convertible Minivan
Engine Position Front Front
Engine Size 4398 cc 1747 cc
Engine Cylinders 8 cylinders 4 cylinders
Engine Type V in-line
Valves per Cylinder 2 valves 4 valves
Horse Power 328 HP 123 HP
Engine RPM 6100 RPM 6000 RPM
Torque 450 Nm 170 Nm
Torque RPM 3600 RPM 3750 RPM
Engine Bore Size 92 mm 82.7 mm
Engine Stroke Size 83 mm 81.4 mm
Engine Compression Ratio 10.0:1 11.0:1
Fuel Type Gasoline Gasoline - Premium
Top Speed 250 km/hour 185 km/hour
Acceleration 0-100mph 6.1 seconds 13.4 seconds
Drive Type Rear Front
Transmission Type Manual Manual
Number of Seats 4 seats 5 seats
Number of Doors 2 doors 5 doors
Vehicle Weight 1836 kg 1585 kg
Vehicle Length 4830 mm 4280 mm
Vehicle Width 1860 mm 1840 mm
Vehicle Height 1380 mm 1630 mm
Wheelbase Size 2790 mm 2730 mm
Fuel Consumption Overall 12.8 L/100km 8 L/100km
Fuel Tank Capacity 70 L 60 L