1971 Cadillac Calais vs. 1977 Opel Monza
To start off, 1977 Opel Monza is newer by 6 year(s). Which means there will be less support and parts availability for 1971 Cadillac Calais. In addition, the cost of maintenance, including insurance, on 1971 Cadillac Calais would be higher. At 7,733 cc (8 cylinders), 1971 Cadillac Calais is equipped with a bigger engine. In terms of performance, 1971 Cadillac Calais (228 HP @ 4400 RPM) has 113 more horse power than 1977 Opel Monza. (115 HP @ 5600 RPM). In normal driving conditions, 1971 Cadillac Calais should accelerate faster than 1977 Opel Monza. With that said, vehicle weight also plays an important factor in acceleration. 1971 Cadillac Calais weights approximately 1315 kg more than 1977 Opel Monza. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Compare all specifications:
| 1971 Cadillac Calais | 1977 Opel Monza | |
| Make | Cadillac | Opel |
| Model | Calais | Monza |
| Year Released | 1971 | 1977 |
| Engine Position | Front | Front |
| Engine Size | 7733 cc | 1979 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 228 HP | 115 HP |
| Engine RPM | 4400 RPM | 5600 RPM |
| Vehicle Weight | 2100 kg | 785 kg |
| Vehicle Length | 5750 mm | 4730 mm |
| Wheelbase Size | 3310 mm | 2670 mm |
