1971 Cadillac Calais vs. 2012 Opel Astra
To start off, 2012 Opel Astra is newer by 41 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 31 more horse power than 2012 Opel Astra. (197 HP @ 5600 RPM). In normal driving conditions, 1971 Cadillac Calais should accelerate faster than 2012 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 1971 Cadillac Calais weights approximately 715 kg more than 2012 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 | 2012 Opel Astra | |
| Make | Cadillac | Opel |
| Model | Calais | Astra |
| Year Released | 1971 | 2012 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 7733 cc | 1998 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 228 HP | 197 HP |
| Engine RPM | 4400 RPM | 5600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 2100 kg | 1385 kg |
| Vehicle Length | 5750 mm | 4260 mm |
| Wheelbase Size | 3310 mm | 2620 mm |
