1975 Cadillac Calais vs. 1951 Morgan Plus 4
To start off, 1975 Cadillac Calais is newer by 24 year(s). Which means there will be less support and parts availability for 1951 Morgan Plus 4. In addition, the cost of maintenance, including insurance, on 1951 Morgan Plus 4 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 123 more horse power than 1951 Morgan Plus 4. (57 HP @ 4200 RPM). In normal driving conditions, 1975 Cadillac Calais should accelerate faster than 1951 Morgan Plus 4. With that said, vehicle weight also plays an important factor in acceleration. 1975 Cadillac Calais weights approximately 1543 kg more than 1951 Morgan Plus 4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Compare all specifications:
| 1975 Cadillac Calais | 1951 Morgan Plus 4 | |
| Make | Cadillac | Morgan |
| Model | Calais | Plus 4 |
| Year Released | 1975 | 1951 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 8192 cc | 2088 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 180 HP | 57 HP |
| Engine RPM | 4400 RPM | 4200 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 2305 kg | 762 kg |
| Vehicle Length | 5880 mm | 3660 mm |
| Wheelbase Size | 3310 mm | 2440 mm |
