1991 Buick Roadmaster vs. 2000 GMC Sierra
To start off, 2000 GMC Sierra is newer by 9 year(s). Which means there will be less support and parts availability for 1991 Buick Roadmaster. In addition, the cost of maintenance, including insurance, on 1991 Buick Roadmaster would be higher. At 5,731 cc (8 cylinders), 1991 Buick Roadmaster is equipped with a bigger engine. In terms of performance, 2000 GMC Sierra (197 HP @ 4600 RPM) has 20 more horse power than 1991 Buick Roadmaster. (177 HP @ 4200 RPM) In normal driving conditions, 2000 GMC Sierra should accelerate faster than 1991 Buick Roadmaster. With that said, vehicle weight also plays an important factor in acceleration. 1991 Buick Roadmaster weights approximately 65 kg more than 2000 GMC Sierra.
Because 2000 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1991 Buick Roadmaster. In wet, icy, snow, or gravel driving conditions, 2000 GMC Sierra will offer significantly more control. 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 40 more torque (in Nm) than 2000 GMC Sierra. (353 Nm @ 2800 RPM). This means 1991 Buick Roadmaster will have an easier job in driving up hills or pulling heavy equipment than 2000 GMC Sierra. 1991 Buick Roadmaster has automatic transmission and 2000 GMC Sierra has manual transmission. 2000 GMC Sierra 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 | 2000 GMC Sierra | |
| Make | Buick | GMC |
| Model | Roadmaster | Sierra |
| Year Released | 1991 | 2000 |
| Body Type | Sedan | Pickup |
| Engine Position | Front | Front |
| Engine Size | 5731 cc | 4293 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 177 HP | 197 HP |
| Engine RPM | 4200 RPM | 4600 RPM |
| Torque | 393 Nm | 353 Nm |
| Torque RPM | 2400 RPM | 2800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Manual |
| Vehicle Weight | 1840 kg | 1775 kg |
| Vehicle Length | 5280 mm | 5170 mm |
| Vehicle Width | 2040 mm | 2000 mm |
| Vehicle Height | 1650 mm | 1810 mm |
| Wheelbase Size | 2950 mm | 3030 mm |
