1991 Buick Riviera vs. 2006 Citroen C5
To start off, 2006 Citroen C5 is newer by 15 year(s). Which means there will be less support and parts availability for 1991 Buick Riviera. In addition, the cost of maintenance, including insurance, on 1991 Buick Riviera would be higher. At 3,800 cc (6 cylinders), 1991 Buick Riviera is equipped with a bigger engine. In terms of performance, 2006 Citroen C5 (204 HP @ 6000 RPM) has 34 more horse power than 1991 Buick Riviera. (170 HP @ 4800 RPM) In normal driving conditions, 2006 Citroen C5 should accelerate faster than 1991 Buick Riviera. With that said, vehicle weight also plays an important factor in acceleration. 2006 Citroen C5 weights approximately 174 kg more than 1991 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, both vehicles can yield 285 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles.
Compare all specifications:
| 1991 Buick Riviera | 2006 Citroen C5 | |
| Make | Buick | Citroen |
| Model | Riviera | C5 |
| Year Released | 1991 | 2006 |
| Body Type | Coupe | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 3800 cc | 2945 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 170 HP | 204 HP |
| Engine RPM | 4800 RPM | 6000 RPM |
| Torque | 285 Nm | 285 Nm |
| Torque RPM | 3200 RPM | 3750 RPM |
| Engine Bore Size | 96.5 mm | 87 mm |
| Engine Stroke Size | 86.4 mm | 83 mm |
| Engine Compression Ratio | 8.5:1 | 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 | 5 doors |
| Vehicle Weight | 1520 kg | 1694 kg |
| Vehicle Length | 5040 mm | 4850 mm |
| Vehicle Width | 1830 mm | 1790 mm |
| Vehicle Height | 1350 mm | 1560 mm |
| Wheelbase Size | 2760 mm | 2760 mm |
