1973 Cadillac Calais vs. 2003 Holden Vectra
To start off, 2003 Holden Vectra is newer by 30 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 63 more horse power than 2003 Holden Vectra. (145 HP @ 5800 RPM). In normal driving conditions, 1973 Cadillac Calais should accelerate faster than 2003 Holden Vectra. With that said, vehicle weight also plays an important factor in acceleration. 1973 Cadillac Calais weights approximately 715 kg more than 2003 Holden Vectra. 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 | 2003 Holden Vectra | |
| Make | Cadillac | Holden |
| Model | Calais | Vectra |
| Year Released | 1973 | 2003 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 7734 cc | 2197 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 208 HP | 145 HP |
| Engine RPM | 4400 RPM | 5800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 2245 kg | 1530 kg |
| Vehicle Length | 5880 mm | 4600 mm |
| Wheelbase Size | 3310 mm | 2710 mm |
