1991 Buick Roadmaster vs. 1986 Holden Commodore
To start off, 1991 Buick Roadmaster is newer by 5 year(s). Which means there will be less support and parts availability for 1986 Holden Commodore. In addition, the cost of maintenance, including insurance, on 1986 Holden Commodore would be higher. At 5,731 cc (8 cylinders), 1991 Buick Roadmaster is equipped with a bigger engine. In terms of performance, 1986 Holden Commodore (201 HP @ 5600 RPM) has 24 more horse power than 1991 Buick Roadmaster. (177 HP @ 4200 RPM) In normal driving conditions, 1986 Holden Commodore should accelerate faster than 1991 Buick Roadmaster. With that said, vehicle weight also plays an important factor in acceleration. 1991 Buick Roadmaster weights approximately 605 kg more than 1986 Holden Commodore.
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 97 more torque (in Nm) than 1986 Holden Commodore. (296 Nm @ 3200 RPM). This means 1991 Buick Roadmaster will have an easier job in driving up hills or pulling heavy equipment than 1986 Holden Commodore.
Compare all specifications:
| 1991 Buick Roadmaster | 1986 Holden Commodore | |
| Make | Buick | Holden |
| Model | Roadmaster | Commodore |
| Year Released | 1991 | 1986 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5731 cc | 2962 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 177 HP | 201 HP |
| Engine RPM | 4200 RPM | 5600 RPM |
| Torque | 393 Nm | 296 Nm |
| Torque RPM | 2400 RPM | 3200 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1840 kg | 1235 kg |
| Vehicle Length | 5280 mm | 4770 mm |
| Vehicle Width | 2040 mm | 1730 mm |
| Vehicle Height | 1650 mm | 1380 mm |
| Wheelbase Size | 2950 mm | 2670 mm |
