1999 Buick Regal vs. 2007 Citroen C8
To start off, 2007 Citroen C8 is newer by 8 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, 2007 Citroen C8 (201 HP @ 6000 RPM) has 4 more horse power than 1999 Buick Regal. (197 HP @ 5200 RPM) In normal driving conditions, 2007 Citroen C8 should accelerate faster than 1999 Buick Regal. With that said, vehicle weight also plays an important factor in acceleration. 2007 Citroen C8 weights approximately 277 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 2007 Citroen C8. (285 Nm @ 3750 RPM). This means 1999 Buick Regal will have an easier job in driving up hills or pulling heavy equipment than 2007 Citroen C8.
Compare all specifications:
| 1999 Buick Regal | 2007 Citroen C8 | |
| Make | Buick | Citroen |
| Model | Regal | C8 |
| Year Released | 1999 | 2007 |
| Body Type | Sedan | Minivan |
| 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 | 201 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 | Automatic |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1560 kg | 1837 kg |
| Vehicle Length | 4990 mm | 4730 mm |
| Vehicle Width | 1850 mm | 1860 mm |
| Vehicle Height | 1440 mm | 1760 mm |
| Wheelbase Size | 2780 mm | 2830 mm |
| Fuel Tank Capacity | 64 L | 80 L |
