1977 Aston Martin AM Vantage vs. 1973 Pontiac Firebird
To start off, 1977 Aston Martin AM Vantage is newer by 4 year(s). Which means there will be less support and parts availability for 1973 Pontiac Firebird. In addition, the cost of maintenance, including insurance, on 1973 Pontiac Firebird would be higher. At 4,092 cc (6 cylinders), 1973 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 1977 Aston Martin AM Vantage (321 HP @ 5750 RPM) has 213 more horse power than 1973 Pontiac Firebird. (108 HP @ 3600 RPM). In normal driving conditions, 1977 Aston Martin AM Vantage should accelerate faster than 1973 Pontiac Firebird. With that said, vehicle weight also plays an important factor in acceleration. 1977 Aston Martin AM Vantage weights approximately 280 kg more than 1973 Pontiac Firebird. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Compare all specifications:
| 1977 Aston Martin AM Vantage | 1973 Pontiac Firebird | |
| Make | Aston Martin | Pontiac |
| Model | AM Vantage | Firebird |
| Year Released | 1977 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 3995 cc | 4092 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 321 HP | 108 HP |
| Engine RPM | 5750 RPM | 3600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 4 seats |
| Vehicle Weight | 1750 kg | 1470 kg |
| Vehicle Width | 1840 mm | 1870 mm |
