1975 Aston Martin AM Vantage vs. 1991 Buick Roadmaster
To start off, 1991 Buick Roadmaster is newer by 16 year(s). Which means there will be less support and parts availability for 1975 Aston Martin AM Vantage. In addition, the cost of maintenance, including insurance, on 1975 Aston Martin AM Vantage would be higher. At 5,731 cc (8 cylinders), 1991 Buick Roadmaster is equipped with a bigger engine. In terms of performance, 1975 Aston Martin AM Vantage (321 HP @ 5750 RPM) has 144 more horse power than 1991 Buick Roadmaster. (177 HP @ 4200 RPM). In normal driving conditions, 1975 Aston Martin AM Vantage should accelerate faster than 1991 Buick Roadmaster. With that said, vehicle weight also plays an important factor in acceleration. 1991 Buick Roadmaster weights approximately 90 kg more than 1975 Aston Martin AM Vantage.
Compare all specifications:
| 1975 Aston Martin AM Vantage | 1991 Buick Roadmaster | |
| Make | Aston Martin | Buick |
| Model | AM Vantage | Roadmaster |
| Year Released | 1975 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 3993 cc | 5731 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 321 HP | 177 HP |
| Engine RPM | 5750 RPM | 4200 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1750 kg | 1840 kg |
