1991 Buick Roadmaster vs. 1980 Holden Commodore
To start off, 1991 Buick Roadmaster is newer by 11 year(s). Which means there will be less support and parts availability for 1980 Holden Commodore. In addition, the cost of maintenance, including insurance, on 1980 Holden Commodore would be higher. At 5,731 cc (8 cylinders), 1991 Buick Roadmaster is equipped with a bigger engine. In terms of performance, 1991 Buick Roadmaster (177 HP @ 4200 RPM) has 75 more horse power than 1980 Holden Commodore. (102 HP @ 4400 RPM). In normal driving conditions, 1991 Buick Roadmaster should accelerate faster than 1980 Holden Commodore. With that said, vehicle weight also plays an important factor in acceleration. 1991 Buick Roadmaster weights approximately 620 kg more than 1980 Holden Commodore. 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, 1991 Buick Roadmaster (393 Nm @ 2400 RPM) has 201 more torque (in Nm) than 1980 Holden Commodore. (192 Nm @ 2800 RPM). This means 1991 Buick Roadmaster will have an easier job in driving up hills or pulling heavy equipment than 1980 Holden Commodore. 1991 Buick Roadmaster has automatic transmission and 1980 Holden Commodore has manual transmission. 1980 Holden Commodore will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1991 Buick Roadmaster will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Buick Roadmaster | 1980 Holden Commodore | |
| Make | Buick | Holden |
| Model | Roadmaster | Commodore |
| Year Released | 1991 | 1980 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5731 cc | 2838 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 177 HP | 102 HP |
| Engine RPM | 4200 RPM | 4400 RPM |
| Torque | 393 Nm | 192 Nm |
| Torque RPM | 2400 RPM | 2800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1840 kg | 1220 kg |
| Vehicle Length | 5280 mm | 4710 mm |
| Vehicle Width | 2040 mm | 1730 mm |
| Vehicle Height | 1650 mm | 1380 mm |
| Wheelbase Size | 2950 mm | 2670 mm |
