1973 Cadillac Calais vs. 1966 Avanti Avanti
To start off, 1973 Cadillac Calais is newer by 7 year(s). Which means there will be less support and parts availability for 1966 Avanti Avanti. In addition, the cost of maintenance, including insurance, on 1966 Avanti Avanti would be higher. At 7,734 cc (8 cylinders), 1973 Cadillac Calais is equipped with a bigger engine. In terms of performance, 1966 Avanti Avanti (254 HP @ 5000 RPM) has 46 more horse power than 1973 Cadillac Calais. (208 HP @ 4400 RPM) In normal driving conditions, 1966 Avanti Avanti should accelerate faster than 1973 Cadillac Calais. With that said, vehicle weight also plays an important factor in acceleration. 1973 Cadillac Calais weights approximately 785 kg more than 1966 Avanti Avanti.
Compare all specifications:
| 1973 Cadillac Calais | 1966 Avanti Avanti | |
| Make | Cadillac | Avanti |
| Model | Calais | Avanti |
| Year Released | 1973 | 1966 |
| Engine Position | Front | Front |
| Engine Size | 7734 cc | 5354 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Horse Power | 208 HP | 254 HP |
| Engine RPM | 4400 RPM | 5000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 2245 kg | 1460 kg |
| Vehicle Length | 5880 mm | 4910 mm |
| Wheelbase Size | 3310 mm | 2780 mm |
