1973 Cadillac Calais vs. 2013 Cadillac ATS
To start off, 2013 Cadillac ATS is newer by 40 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, 2013 Cadillac ATS (317 HP @ 6800 RPM) has 109 more horse power than 1973 Cadillac Calais. (208 HP @ 4400 RPM) In normal driving conditions, 2013 Cadillac ATS should accelerate faster than 1973 Cadillac Calais. With that said, vehicle weight also plays an important factor in acceleration. 1973 Cadillac Calais weights approximately 675 kg more than 2013 Cadillac ATS.
Compare all specifications:
| 1973 Cadillac Calais | 2013 Cadillac ATS | |
| Make | Cadillac | Cadillac |
| Model | Calais | ATS |
| Year Released | 1973 | 2013 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 7734 cc | 3600 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 208 HP | 317 HP |
| Engine RPM | 4400 RPM | 6800 RPM |
| Fuel Type | Gasoline | Flex Fuel |
| Vehicle Weight | 2245 kg | 1570 kg |
| Vehicle Length | 5880 mm | 4643 mm |
| Wheelbase Size | 3310 mm | 2776 mm |
