1991 Buick Roadmaster vs. 1981 Pontiac Firebird
To start off, 1991 Buick Roadmaster is newer by 10 year(s). Which means there will be less support and parts availability for 1981 Pontiac Firebird. In addition, the cost of maintenance, including insurance, on 1981 Pontiac Firebird would be higher. At 5,731 cc (8 cylinders), 1991 Buick Roadmaster is equipped with a bigger engine. In terms of performance, 1981 Pontiac Firebird (200 HP @ 4000 RPM) has 23 more horse power than 1991 Buick Roadmaster. (177 HP @ 4200 RPM) In normal driving conditions, 1981 Pontiac Firebird should accelerate faster than 1991 Buick Roadmaster. With that said, vehicle weight also plays an important factor in acceleration. 1991 Buick Roadmaster weights approximately 224 kg more than 1981 Pontiac Firebird.
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, 1981 Pontiac Firebird (459 Nm @ 2000 RPM) has 66 more torque (in Nm) than 1991 Buick Roadmaster. (393 Nm @ 2400 RPM). This means 1981 Pontiac Firebird will have an easier job in driving up hills or pulling heavy equipment than 1991 Buick Roadmaster.
Compare all specifications:
| 1991 Buick Roadmaster | 1981 Pontiac Firebird | |
| Make | Buick | Pontiac |
| Model | Roadmaster | Firebird |
| Year Released | 1991 | 1981 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 5731 cc | 4942 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 177 HP | 200 HP |
| Engine RPM | 4200 RPM | 4000 RPM |
| Torque | 393 Nm | 459 Nm |
| Torque RPM | 2400 RPM | 2000 RPM |
| Engine Compression Ratio | 8.0:1 | 7.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1840 kg | 1616 kg |
| Vehicle Length | 5280 mm | 5040 mm |
| Vehicle Width | 2040 mm | 1860 mm |
| Vehicle Height | 1650 mm | 1260 mm |
| Wheelbase Size | 2950 mm | 2750 mm |
| Fuel Tank Capacity | 75 L | 79 L |
