2006 Alfa Romeo 156 vs. 1975 Cadillac Calais
To start off, 2006 Alfa Romeo 156 is newer by 31 year(s). Which means there will be less support and parts availability for 1975 Cadillac Calais. In addition, the cost of maintenance, including insurance, on 1975 Cadillac Calais would be higher. At 8,192 cc (8 cylinders), 1975 Cadillac Calais is equipped with a bigger engine. In terms of performance, 1975 Cadillac Calais (180 HP @ 4400 RPM) has 7 more horse power than 2006 Alfa Romeo 156. (173 HP @ 4000 RPM) In normal driving conditions, 1975 Cadillac Calais should accelerate faster than 2006 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 1975 Cadillac Calais weights approximately 764 kg more than 2006 Alfa Romeo 156. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Compare all specifications:
| 2006 Alfa Romeo 156 | 1975 Cadillac Calais | |
| Make | Alfa Romeo | Cadillac |
| Model | 156 | Calais |
| Year Released | 2006 | 1975 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2387 cc | 8192 cc |
| Engine Cylinders | 5 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 173 HP | 180 HP |
| Engine RPM | 4000 RPM | 4400 RPM |
| Fuel Type | Diesel | Gasoline |
| Vehicle Weight | 1510 kg | 2274 kg |
| Vehicle Length | 4440 mm | 5880 mm |
| Vehicle Width | 1750 mm | 2030 mm |
| Wheelbase Size | 2550 mm | 3310 mm |
