1999 Buick Riviera vs. 2012 Citroen C6
To start off, 2012 Citroen C6 is newer by 13 year(s). Which means there will be less support and parts availability for 1999 Buick Riviera. In addition, the cost of maintenance, including insurance, on 1999 Buick Riviera would be higher. At 3,791 cc (6 cylinders), 1999 Buick Riviera is equipped with a bigger engine. In terms of performance, 2012 Citroen C6 (209 HP @ 6000 RPM) has 4 more horse power than 1999 Buick Riviera. (205 HP @ 5200 RPM) In normal driving conditions, 2012 Citroen C6 should accelerate faster than 1999 Buick Riviera. With that said, vehicle weight also plays an important factor in acceleration. 2012 Citroen C6 weights approximately 115 kg more than 1999 Buick Riviera. 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 Riviera (312 Nm @ 4000 RPM) has 22 more torque (in Nm) than 2012 Citroen C6. (290 Nm @ 3750 RPM). This means 1999 Buick Riviera will have an easier job in driving up hills or pulling heavy equipment than 2012 Citroen C6.
Compare all specifications:
| 1999 Buick Riviera | 2012 Citroen C6 | |
| Make | Buick | Citroen |
| Model | Riviera | C6 |
| Year Released | 1999 | 2012 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 2946 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 205 HP | 209 HP |
| Engine RPM | 5200 RPM | 6000 RPM |
| Torque | 312 Nm | 290 Nm |
| Torque RPM | 4000 RPM | 3750 RPM |
| Engine Bore Size | 96.5 mm | 87 mm |
| Engine Stroke Size | 86.4 mm | 82.6 mm |
| Engine Compression Ratio | 9.4:1 | 10.9:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1700 kg | 1815 kg |
| Vehicle Length | 5270 mm | 4910 mm |
| Vehicle Width | 1910 mm | 1870 mm |
| Vehicle Height | 1400 mm | 1470 mm |
