1971 Cadillac Calais vs. 1966 Aston Martin DB6
To start off, 1971 Cadillac Calais is newer by 5 year(s). Which means there will be less support and parts availability for 1966 Aston Martin DB6. In addition, the cost of maintenance, including insurance, on 1966 Aston Martin DB6 would be higher. At 7,733 cc (8 cylinders), 1971 Cadillac Calais is equipped with a bigger engine. In terms of performance, 1966 Aston Martin DB6 (325 HP @ 5750 RPM) has 97 more horse power than 1971 Cadillac Calais. (228 HP @ 4400 RPM) In normal driving conditions, 1966 Aston Martin DB6 should accelerate faster than 1971 Cadillac Calais. With that said, vehicle weight also plays an important factor in acceleration. 1971 Cadillac Calais weights approximately 475 kg more than 1966 Aston Martin DB6.
Compare all specifications:
| 1971 Cadillac Calais | 1966 Aston Martin DB6 | |
| Make | Cadillac | Aston Martin |
| Model | Calais | DB6 |
| Year Released | 1971 | 1966 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 7733 cc | 3995 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 228 HP | 325 HP |
| Engine RPM | 4400 RPM | 5750 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 2100 kg | 1625 kg |
| Vehicle Length | 5750 mm | 4630 mm |
| Wheelbase Size | 3310 mm | 2590 mm |
