2006 Alfa Romeo 166 vs. 1973 Cadillac Calais
To start off, 2006 Alfa Romeo 166 is newer by 33 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, 2006 Alfa Romeo 166 (236 HP @ 6200 RPM) has 28 more horse power than 1973 Cadillac Calais. (208 HP @ 4400 RPM). In normal driving conditions, 2006 Alfa Romeo 166 should accelerate faster than 1973 Cadillac Calais. With that said, vehicle weight also plays an important factor in acceleration. 1973 Cadillac Calais weights approximately 660 kg more than 2006 Alfa Romeo 166.
Compare all specifications:
| 2006 Alfa Romeo 166 | 1973 Cadillac Calais | |
| Make | Alfa Romeo | Cadillac |
| Model | 166 | Calais |
| Year Released | 2006 | 1973 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3179 cc | 7734 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 236 HP | 208 HP |
| Engine RPM | 6200 RPM | 4400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1585 kg | 2245 kg |
| Vehicle Length | 4730 mm | 5880 mm |
| Wheelbase Size | 2710 mm | 3310 mm |
