1991 Cadillac DeVille vs. 2009 Citroen C6
To start off, 2009 Citroen C6 is newer by 18 year(s). Which means there will be less support and parts availability for 1991 Cadillac DeVille. In addition, the cost of maintenance, including insurance, on 1991 Cadillac DeVille would be higher. At 4,087 cc (8 cylinders), 1991 Cadillac DeVille is equipped with a bigger engine. In terms of performance, 2009 Citroen C6 (201 HP @ 4200 RPM) has 72 more horse power than 1991 Cadillac DeVille. (129 HP @ 4200 RPM) In normal driving conditions, 2009 Citroen C6 should accelerate faster than 1991 Cadillac DeVille. With that said, vehicle weight also plays an important factor in acceleration. 2009 Citroen C6 weights approximately 330 kg more than 1991 Cadillac DeVille. 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, 2009 Citroen C6 (440 Nm @ 1900 RPM) has 169 more torque (in Nm) than 1991 Cadillac DeVille. (271 Nm @ 2200 RPM). This means 2009 Citroen C6 will have an easier job in driving up hills or pulling heavy equipment than 1991 Cadillac DeVille.
Compare all specifications:
| 1991 Cadillac DeVille | 2009 Citroen C6 | |
| Make | Cadillac | Citroen |
| Model | DeVille | C6 |
| Year Released | 1991 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 4087 cc | 2720 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 129 HP | 201 HP |
| Engine RPM | 4200 RPM | 4200 RPM |
| Torque | 271 Nm | 440 Nm |
| Torque RPM | 2200 RPM | 1900 RPM |
| Engine Bore Size | 88.1 mm | 81 mm |
| Engine Stroke Size | 84 mm | 88 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1540 kg | 1870 kg |
| Vehicle Length | 4960 mm | 4910 mm |
| Vehicle Width | 1830 mm | 1870 mm |
| Vehicle Height | 1400 mm | 1470 mm |
| Wheelbase Size | 2820 mm | 2910 mm |
