1973 Cadillac Calais vs. 2007 Opel Astra
To start off, 2007 Opel Astra is newer by 34 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 11 more horse power than 2007 Opel Astra. (197 HP @ 5600 RPM). In normal driving conditions, 1973 Cadillac Calais should accelerate faster than 2007 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 1973 Cadillac Calais weights approximately 860 kg more than 2007 Opel Astra. 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 | 2007 Opel Astra | |
| Make | Cadillac | Opel |
| Model | Calais | Astra |
| Year Released | 1973 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 7734 cc | 1998 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 208 HP | 197 HP |
| Engine RPM | 4400 RPM | 5600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 2245 kg | 1385 kg |
| Vehicle Length | 5880 mm | 4260 mm |
| Wheelbase Size | 3310 mm | 2620 mm |
