1977 Aston Martin AM Vantage vs. 1999 GMC Sierra
To start off, 1999 GMC Sierra is newer by 22 year(s). Which means there will be less support and parts availability for 1977 Aston Martin AM Vantage. In addition, the cost of maintenance, including insurance, on 1977 Aston Martin AM Vantage would be higher. At 5,325 cc (8 cylinders), 1999 GMC Sierra is equipped with a bigger engine. In terms of performance, 1977 Aston Martin AM Vantage (321 HP @ 5750 RPM) has 39 more horse power than 1999 GMC Sierra. (282 HP @ 5200 RPM). In normal driving conditions, 1977 Aston Martin AM Vantage should accelerate faster than 1999 GMC Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1999 GMC Sierra weights approximately 85 kg more than 1977 Aston Martin AM Vantage.
Compare all specifications:
| 1977 Aston Martin AM Vantage | 1999 GMC Sierra | |
| Make | Aston Martin | GMC |
| Model | AM Vantage | Sierra |
| Year Released | 1977 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 3995 cc | 5325 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 321 HP | 282 HP |
| Engine RPM | 5750 RPM | 5200 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1750 kg | 1835 kg |
| Vehicle Width | 1840 mm | 2000 mm |
