1971 Cadillac Calais vs. 1991 Opel Astra
To start off, 1991 Opel Astra is newer by 20 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 146 more horse power than 1991 Opel Astra. (82 HP @ 5800 RPM). In normal driving conditions, 1971 Cadillac Calais should accelerate faster than 1991 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 1971 Cadillac Calais weights approximately 1160 kg more than 1991 Opel Astra. 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 | 1991 Opel Astra | |
| Make | Cadillac | Opel |
| Model | Calais | Astra |
| Year Released | 1971 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 7733 cc | 1388 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 228 HP | 82 HP |
| Engine RPM | 4400 RPM | 5800 RPM |
| Vehicle Weight | 2100 kg | 940 kg |
| Vehicle Length | 5750 mm | 4060 mm |
| Wheelbase Size | 3310 mm | 2610 mm |
