1973 Cadillac Calais vs. 1988 Opel Vectra
To start off, 1988 Opel Vectra is newer by 15 year(s). Which means there will be less support and parts availability for 1973 Cadillac Calais. In addition, the cost of maintenance, including insurance, on 1973 Cadillac Calais would be higher. At 7,734 cc (8 cylinders), 1973 Cadillac Calais is equipped with a bigger engine. In terms of performance, 1973 Cadillac Calais (208 HP @ 4400 RPM) has 126 more horse power than 1988 Opel Vectra. (82 HP @ 4400 RPM). In normal driving conditions, 1973 Cadillac Calais should accelerate faster than 1988 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 1973 Cadillac Calais weights approximately 1102 kg more than 1988 Opel Vectra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Compare all specifications:
| 1973 Cadillac Calais | 1988 Opel Vectra | |
| Make | Cadillac | Opel |
| Model | Calais | Vectra |
| Year Released | 1973 | 1988 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 7734 cc | 1686 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 208 HP | 82 HP |
| Engine RPM | 4400 RPM | 4400 RPM |
| Fuel Type | Gasoline | Diesel |
| Vehicle Weight | 2245 kg | 1143 kg |
| Vehicle Length | 5880 mm | 4440 mm |
| Wheelbase Size | 3310 mm | 2670 mm |
