1970 Cadillac Calais vs. 2003 Opel Vectra
To start off, 2003 Opel Vectra is newer by 33 year(s). Which means there will be less support and parts availability for 1970 Cadillac Calais. In addition, the cost of maintenance, including insurance, on 1970 Cadillac Calais would be higher. At 7,734 cc (8 cylinders), 1970 Cadillac Calais is equipped with a bigger engine. In terms of performance, 1970 Cadillac Calais (228 HP @ 4400 RPM) has 55 more horse power than 2003 Opel Vectra. (173 HP @ 4000 RPM). In normal driving conditions, 1970 Cadillac Calais should accelerate faster than 2003 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 1970 Cadillac Calais weights approximately 471 kg more than 2003 Opel Vectra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Compare all specifications:
| 1970 Cadillac Calais | 2003 Opel Vectra | |
| Make | Cadillac | Opel |
| Model | Calais | Vectra |
| Year Released | 1970 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 7734 cc | 2957 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 228 HP | 173 HP |
| Engine RPM | 4400 RPM | 4000 RPM |
| Fuel Type | Gasoline | Diesel |
| Vehicle Weight | 2076 kg | 1605 kg |
| Vehicle Length | 5730 mm | 4600 mm |
| Wheelbase Size | 3300 mm | 2740 mm |
