1966 Avanti Avanti vs. 1971 Buick GS
To start off, 1971 Buick GS is newer by 5 year(s). Which means there will be less support and parts availability for 1966 Avanti Avanti. In addition, the cost of maintenance, including insurance, on 1966 Avanti Avanti would be higher. At 5,724 cc (6 cylinders), 1971 Buick GS is equipped with a bigger engine. In terms of performance, 1966 Avanti Avanti (254 HP @ 5000 RPM) has 64 more horse power than 1971 Buick GS. (190 HP @ 4000 RPM). In normal driving conditions, 1966 Avanti Avanti should accelerate faster than 1971 Buick GS. With that said, vehicle weight also plays an important factor in acceleration. 1971 Buick GS weights approximately 172 kg more than 1966 Avanti Avanti.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control.
Compare all specifications:
| 1966 Avanti Avanti | 1971 Buick GS | |
| Make | Avanti | Buick |
| Model | Avanti | GS |
| Year Released | 1966 | 1971 |
| Engine Position | Front | Front |
| Engine Size | 5354 cc | 5724 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 254 HP | 190 HP |
| Engine RPM | 5000 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1460 kg | 1632 kg |
| Vehicle Length | 4910 mm | 5180 mm |
| Vehicle Width | 1800 mm | 1960 mm |
| Vehicle Height | 1380 mm | 1370 mm |
| Wheelbase Size | 2780 mm | 2860 mm |
