1985 Cadillac DeVille vs. 2007 Opel Signum
To start off, 2007 Opel Signum is newer by 22 year(s). Which means there will be less support and parts availability for 1985 Cadillac DeVille. In addition, the cost of maintenance, including insurance, on 1985 Cadillac DeVille would be higher. At 4,087 cc (8 cylinders), 1985 Cadillac DeVille is equipped with a bigger engine. In terms of performance, 2007 Opel Signum (208 HP @ 6200 RPM) has 79 more horse power than 1985 Cadillac DeVille. (129 HP @ 4200 RPM) In normal driving conditions, 2007 Opel Signum should accelerate faster than 1985 Cadillac DeVille. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Signum weights approximately 70 kg more than 1985 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, 2007 Opel Signum (300 Nm @ 4000 RPM) has 28 more torque (in Nm) than 1985 Cadillac DeVille. (272 Nm @ 2200 RPM). This means 2007 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1985 Cadillac DeVille.
Compare all specifications:
| 1985 Cadillac DeVille | 2007 Opel Signum | |
| Make | Cadillac | Opel |
| Model | DeVille | Signum |
| Year Released | 1985 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 4087 cc | 3173 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 129 HP | 208 HP |
| Engine RPM | 4200 RPM | 6200 RPM |
| Torque | 272 Nm | 300 Nm |
| Torque RPM | 2200 RPM | 4000 RPM |
| Engine Bore Size | 88 mm | 87.5 mm |
| Engine Stroke Size | 84 mm | 88 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1540 kg | 1610 kg |
| Vehicle Length | 4960 mm | 4640 mm |
| Vehicle Width | 1830 mm | 1800 mm |
| Vehicle Height | 1400 mm | 1470 mm |
| Wheelbase Size | 2820 mm | 2840 mm |
