2004 Buick Regal vs. 2009 Citroen C5
To start off, 2009 Citroen C5 is newer by 5 year(s). Which means there will be less support and parts availability for 2004 Buick Regal. In addition, the cost of maintenance, including insurance, on 2004 Buick Regal would be higher. At 3,791 cc (6 cylinders), 2004 Buick Regal is equipped with a bigger engine. In terms of performance, 2004 Buick Regal (197 HP @ 5200 RPM) has 91 more horse power than 2009 Citroen C5. (106 HP @ 4000 RPM). In normal driving conditions, 2004 Buick Regal should accelerate faster than 2009 Citroen C5. With that said, vehicle weight also plays an important factor in acceleration. 2009 Citroen C5 weights approximately 6 kg more than 2004 Buick Regal.
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, 2004 Buick Regal (312 Nm @ 4000 RPM) has 62 more torque (in Nm) than 2009 Citroen C5. (250 Nm @ 1750 RPM). This means 2004 Buick Regal will have an easier job in driving up hills or pulling heavy equipment than 2009 Citroen C5.
Compare all specifications:
| 2004 Buick Regal | 2009 Citroen C5 | |
| Make | Buick | Citroen |
| Model | Regal | C5 |
| Year Released | 2004 | 2009 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 1996 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 197 HP | 106 HP |
| Engine RPM | 5200 RPM | 4000 RPM |
| Torque | 312 Nm | 250 Nm |
| Torque RPM | 4000 RPM | 1750 RPM |
| Engine Bore Size | 97 mm | 85 mm |
| Engine Stroke Size | 86 mm | 88 mm |
| Engine Compression Ratio | 9.4:1 | 18.0:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1521 kg | 1527 kg |
| Vehicle Length | 4990 mm | 4760 mm |
| Vehicle Width | 1850 mm | 1780 mm |
| Vehicle Height | 1440 mm | 1520 mm |
| Wheelbase Size | 3080 mm | 2760 mm |
| Fuel Consumption Overall | 10 L/100km | 6 L/100km |
| Fuel Tank Capacity | 66 L | 68 L |
