1974 Aston Martin AM Vantage vs. 1978 Bitter Diplomat
To start off, 1978 Bitter Diplomat is newer by 4 year(s). Which means there will be less support and parts availability for 1974 Aston Martin AM Vantage. In addition, the cost of maintenance, including insurance, on 1974 Aston Martin AM Vantage would be higher. At 5,354 cc (8 cylinders), 1978 Bitter Diplomat is equipped with a bigger engine. In terms of performance, 1974 Aston Martin AM Vantage (321 HP @ 5750 RPM) has 94 more horse power than 1978 Bitter Diplomat. (227 HP @ 4700 RPM). In normal driving conditions, 1974 Aston Martin AM Vantage should accelerate faster than 1978 Bitter Diplomat. With that said, vehicle weight also plays an important factor in acceleration. 1974 Aston Martin AM Vantage weights approximately 72 kg more than 1978 Bitter Diplomat. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Compare all specifications:
| 1974 Aston Martin AM Vantage | 1978 Bitter Diplomat | |
| Make | Aston Martin | Bitter |
| Model | AM Vantage | Diplomat |
| Year Released | 1974 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 3995 cc | 5354 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 321 HP | 227 HP |
| Engine RPM | 5750 RPM | 4700 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1752 kg | 1680 kg |
