1973 AC 428 vs. 1973 Cadillac Calais
To start off, both 1973 AC 428 and 1973 Cadillac Calais were released in the same year (1973). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 7,734 cc (8 cylinders), 1973 Cadillac Calais is equipped with a bigger engine. In terms of performance, 1973 AC 428 (298 HP @ 4600 RPM) has 90 more horse power than 1973 Cadillac Calais. (208 HP @ 4400 RPM). In normal driving conditions, 1973 AC 428 should accelerate faster than 1973 Cadillac Calais. With that said, vehicle weight also plays an important factor in acceleration. 1973 Cadillac Calais weights approximately 815 kg more than 1973 AC 428.
Compare all specifications:
| 1973 AC 428 | 1973 Cadillac Calais | |
| Make | AC | Cadillac |
| Model | 428 | Calais |
| Year Released | 1973 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 7002 cc | 7734 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 298 HP | 208 HP |
| Engine RPM | 4600 RPM | 4400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1430 kg | 2245 kg |
| Vehicle Length | 4430 mm | 5880 mm |
| Wheelbase Size | 2450 mm | 3310 mm |
