1991 Buick Riviera vs. 2005 Citroen C8
To start off, 2005 Citroen C8 is newer by 14 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, 1991 Buick Riviera (170 HP @ 4800 RPM) has 44 more horse power than 2005 Citroen C8. (126 HP @ 4000 RPM). In normal driving conditions, 1991 Buick Riviera should accelerate faster than 2005 Citroen C8. With that said, vehicle weight also plays an important factor in acceleration. 2005 Citroen C8 weights approximately 263 kg more than 1991 Buick Riviera.
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, 2005 Citroen C8 (314 Nm @ 2000 RPM) has 29 more torque (in Nm) than 1991 Buick Riviera. (285 Nm @ 3200 RPM). This means 2005 Citroen C8 will have an easier job in driving up hills or pulling heavy equipment than 1991 Buick Riviera. 1991 Buick Riviera has automatic transmission and 2005 Citroen C8 has manual transmission. 2005 Citroen C8 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1991 Buick Riviera will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Buick Riviera | 2005 Citroen C8 | |
| Make | Buick | Citroen |
| Model | Riviera | C8 |
| Year Released | 1991 | 2005 |
| Body Type | Coupe | Minivan |
| Engine Position | Front | Front |
| Engine Size | 3800 cc | 2177 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 170 HP | 126 HP |
| Engine RPM | 4800 RPM | 4000 RPM |
| Torque | 285 Nm | 314 Nm |
| Torque RPM | 3200 RPM | 2000 RPM |
| Engine Bore Size | 96.5 mm | 85 mm |
| Engine Stroke Size | 86.4 mm | 96 mm |
| Engine Compression Ratio | 8.5:1 | 18.0:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1520 kg | 1783 kg |
| Vehicle Length | 5040 mm | 4620 mm |
| Vehicle Width | 1830 mm | 1860 mm |
| Vehicle Height | 1350 mm | 1760 mm |
| Wheelbase Size | 2760 mm | 2760 mm |
