1977 Buick Regal vs. 1990 Buick Roadmaster
To start off, 1990 Buick Roadmaster is newer by 13 year(s). Which means there will be less support and parts availability for 1977 Buick Regal. In addition, the cost of maintenance, including insurance, on 1977 Buick Regal would be higher. At 5,732 cc (8 cylinders), 1990 Buick Roadmaster is equipped with a bigger engine. In terms of performance, 1990 Buick Roadmaster (177 HP @ 4000 RPM) has 34 more horse power than 1977 Buick Regal. (143 HP @ 3800 RPM) In normal driving conditions, 1990 Buick Roadmaster should accelerate faster than 1977 Buick Regal. With that said, vehicle weight also plays an important factor in acceleration. 1990 Buick Roadmaster weights approximately 560 kg more than 1977 Buick Regal. 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, 1990 Buick Roadmaster (406 Nm @ 2400 RPM) has 72 more torque (in Nm) than 1977 Buick Regal. (334 Nm @ 2400 RPM). This means 1990 Buick Roadmaster will have an easier job in driving up hills or pulling heavy equipment than 1977 Buick Regal.
Compare all specifications:
| 1977 Buick Regal | 1990 Buick Roadmaster | |
| Make | Buick | Buick |
| Model | Regal | Roadmaster |
| Year Released | 1977 | 1990 |
| Engine Position | Front | Front |
| Engine Size | 4932 cc | 5732 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 143 HP | 177 HP |
| Engine RPM | 3800 RPM | 4000 RPM |
| Torque | 334 Nm | 406 Nm |
| Torque RPM | 2400 RPM | 2400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1470 kg | 2030 kg |
| Vehicle Length | 5090 mm | 5490 mm |
| Vehicle Width | 1840 mm | 2040 mm |
| Vehicle Height | 1370 mm | 1540 mm |
| Wheelbase Size | 2750 mm | 2950 mm |
