2005 Buick Regal vs. 2006 Citroen C4
To start off, 2006 Citroen C4 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Buick Regal. In addition, the cost of maintenance, including insurance, on 2005 Buick Regal would be higher. At 3,791 cc (6 cylinders), 2005 Buick Regal is equipped with a bigger engine. In terms of performance, 2005 Buick Regal (197 HP @ 5200 RPM) has 83 more horse power than 2006 Citroen C4. (114 HP @ 4000 RPM). In normal driving conditions, 2005 Buick Regal should accelerate faster than 2006 Citroen C4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Buick Regal weights approximately 5 kg more than 2006 Citroen C4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 2005 Buick Regal (311 Nm @ 4000 RPM) has 151 more torque (in Nm) than 2006 Citroen C4. (160 Nm @ 4000 RPM). This means 2005 Buick Regal will have an easier job in driving up hills or pulling heavy equipment than 2006 Citroen C4. 2005 Buick Regal has automatic transmission and 2006 Citroen C4 has manual transmission. 2006 Citroen C4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Buick Regal will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Buick Regal | 2006 Citroen C4 | |
| Make | Buick | Citroen |
| Model | Regal | C4 |
| Year Released | 2005 | 2006 |
| Body Type | Sedan | Minivan |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 1749 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 197 HP | 114 HP |
| Engine RPM | 5200 RPM | 4000 RPM |
| Torque | 311 Nm | 160 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Bore Size | 97 mm | 82.7 mm |
| Engine Stroke Size | 86 mm | 81.4 mm |
| Engine Compression Ratio | 9.4:1 | 10.8:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1560 kg | 1555 kg |
| Vehicle Length | 4990 mm | 4280 mm |
| Vehicle Width | 1850 mm | 1760 mm |
| Vehicle Height | 1440 mm | 1640 mm |
| Wheelbase Size | 2780 mm | 2770 mm |
| Fuel Tank Capacity | 64 L | 55 L |
