1970 Cadillac Calais vs. 1999 Opel Signum
To start off, 1999 Opel Signum is newer by 29 year(s). Which means there will be less support and parts availability for 1970 Cadillac Calais. In addition, the cost of maintenance, including insurance, on 1970 Cadillac Calais would be higher. At 7,734 cc (8 cylinders), 1970 Cadillac Calais is equipped with a bigger engine. In terms of performance, 1970 Cadillac Calais (228 HP @ 4400 RPM) has 75 more horse power than 1999 Opel Signum. (153 HP @ 5600 RPM). In normal driving conditions, 1970 Cadillac Calais should accelerate faster than 1999 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 1970 Cadillac Calais weights approximately 565 kg more than 1999 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Compare all specifications:
| 1970 Cadillac Calais | 1999 Opel Signum | |
| Make | Cadillac | Opel |
| Model | Calais | Signum |
| Year Released | 1970 | 1999 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 7734 cc | 2198 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 228 HP | 153 HP |
| Engine RPM | 4400 RPM | 5600 RPM |
| Vehicle Weight | 2100 kg | 1535 kg |
| Vehicle Length | 5730 mm | 4640 mm |
| Wheelbase Size | 3300 mm | 2640 mm |
