1972 Cadillac Calais vs. 2001 Opel Signum
To start off, 2001 Opel Signum is newer by 29 year(s). Which means there will be less support and parts availability for 1972 Cadillac Calais. In addition, the cost of maintenance, including insurance, on 1972 Cadillac Calais would be higher. At 7,734 cc (8 cylinders), 1972 Cadillac Calais is equipped with a bigger engine. In terms of performance, 1972 Cadillac Calais (210 HP @ 4400 RPM) has 35 more horse power than 2001 Opel Signum. (175 HP @ 4000 RPM). In normal driving conditions, 1972 Cadillac Calais should accelerate faster than 2001 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 1972 Cadillac Calais weights approximately 460 kg more than 2001 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Compare all specifications:
| 1972 Cadillac Calais | 2001 Opel Signum | |
| Make | Cadillac | Opel |
| Model | Calais | Signum |
| Year Released | 1972 | 2001 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 7734 cc | 2958 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 210 HP | 175 HP |
| Engine RPM | 4400 RPM | 4000 RPM |
| Fuel Type | Gasoline | Diesel |
| Vehicle Weight | 2130 kg | 1670 kg |
| Vehicle Length | 5830 mm | 4640 mm |
| Wheelbase Size | 3310 mm | 2710 mm |
