1977 Buick Regal vs. 1973 Chevrolet Vega
To start off, 1977 Buick Regal is newer by 4 year(s). Which means there will be less support and parts availability for 1973 Chevrolet Vega. In addition, the cost of maintenance, including insurance, on 1973 Chevrolet Vega would be higher. At 3,791 cc (6 cylinders), 1977 Buick Regal is equipped with a bigger engine. In terms of performance, 1977 Buick Regal (108 HP @ 3400 RPM) has 27 more horse power than 1973 Chevrolet Vega. (81 HP @ 4800 RPM). In normal driving conditions, 1977 Buick Regal should accelerate faster than 1973 Chevrolet Vega. With that said, vehicle weight also plays an important factor in acceleration. 1977 Buick Regal weights approximately 425 kg more than 1973 Chevrolet Vega. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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. Let's talk about torque, 1977 Buick Regal (251 Nm @ 2000 RPM) has 84 more torque (in Nm) than 1973 Chevrolet Vega. (167 Nm @ 2800 RPM). This means 1977 Buick Regal will have an easier job in driving up hills or pulling heavy equipment than 1973 Chevrolet Vega.
Compare all specifications:
| 1977 Buick Regal | 1973 Chevrolet Vega | |
| Make | Buick | Chevrolet |
| Model | Regal | Vega |
| Year Released | 1977 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 2287 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 108 HP | 81 HP |
| Engine RPM | 3400 RPM | 4800 RPM |
| Torque | 251 Nm | 167 Nm |
| Torque RPM | 2000 RPM | 2800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1430 kg | 1005 kg |
| Vehicle Length | 5090 mm | 4320 mm |
| Vehicle Width | 1840 mm | 1670 mm |
| Vehicle Height | 1370 mm | 1280 mm |
| Wheelbase Size | 2750 mm | 2480 mm |
