1973 Cadillac Calais vs. 1977 Opel Commodore
To start off, 1977 Opel Commodore is newer by 4 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 67 more horse power than 1977 Opel Commodore. (141 HP @ 5200 RPM). In normal driving conditions, 1973 Cadillac Calais should accelerate faster than 1977 Opel Commodore. With that said, vehicle weight also plays an important factor in acceleration. 1973 Cadillac Calais weights approximately 960 kg more than 1977 Opel Commodore. 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 | 1977 Opel Commodore | |
| Make | Cadillac | Opel |
| Model | Calais | Commodore |
| Year Released | 1973 | 1977 |
| Engine Position | Front | Front |
| Engine Size | 7734 cc | 2784 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 208 HP | 141 HP |
| Engine RPM | 4400 RPM | 5200 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 2245 kg | 1285 kg |
| Vehicle Length | 5880 mm | 4620 mm |
| Wheelbase Size | 3310 mm | 2670 mm |
