1999 Buick Regal vs. 2009 Citroen C5
To start off, 2009 Citroen C5 is newer by 10 year(s). Which means there will be less support and parts availability for 1999 Buick Regal. In addition, the cost of maintenance, including insurance, on 1999 Buick Regal would be higher. At 3,789 cc (6 cylinders), 1999 Buick Regal is equipped with a bigger engine. In terms of performance, 2009 Citroen C5 (205 HP @ 6000 RPM) has 8 more horse power than 1999 Buick Regal. (197 HP @ 5200 RPM) In normal driving conditions, 2009 Citroen C5 should accelerate faster than 1999 Buick Regal. With that said, vehicle weight also plays an important factor in acceleration. 2009 Citroen C5 weights approximately 37 kg more than 1999 Buick Regal. 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, 1999 Buick Regal (311 Nm @ 4000 RPM) has 26 more torque (in Nm) than 2009 Citroen C5. (285 Nm @ 3750 RPM). This means 1999 Buick Regal will have an easier job in driving up hills or pulling heavy equipment than 2009 Citroen C5. 1999 Buick Regal has automatic transmission and 2009 Citroen C5 has manual transmission. 2009 Citroen C5 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1999 Buick Regal will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 Buick Regal | 2009 Citroen C5 | |
| Make | Buick | Citroen |
| Model | Regal | C5 |
| Year Released | 1999 | 2009 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 3789 cc | 2946 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 197 HP | 205 HP |
| Engine RPM | 5200 RPM | 6000 RPM |
| Torque | 311 Nm | 285 Nm |
| Torque RPM | 4000 RPM | 3750 RPM |
| Engine Bore Size | 97 mm | 87 mm |
| Engine Stroke Size | 86 mm | 82.6 mm |
| Engine Compression Ratio | 9.4:1 | 11.0:1 |
| 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 | 1597 kg |
| Vehicle Length | 4990 mm | 4760 mm |
| Vehicle Width | 1850 mm | 1780 mm |
| Vehicle Height | 1440 mm | 1520 mm |
| Wheelbase Size | 2780 mm | 2760 mm |
| Fuel Tank Capacity | 64 L | 66 L |
