1991 Buick Roadmaster vs. 2012 GMC Sierra
To start off, 2012 GMC Sierra is newer by 21 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 5,002 cc (8 cylinders), 1991 Buick Roadmaster is equipped with a bigger engine. In terms of performance, 2012 GMC Sierra (302 HP @ 5600 RPM) has 134 more horse power than 1991 Buick Roadmaster. (168 HP @ 4200 RPM) In normal driving conditions, 2012 GMC Sierra should accelerate faster than 1991 Buick Roadmaster. With that said, vehicle weight also plays an important factor in acceleration. 2012 GMC Sierra weights approximately 311 kg more than 1991 Buick Roadmaster. 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, 2012 GMC Sierra (413 Nm @ 4600 RPM) has 67 more torque (in Nm) than 1991 Buick Roadmaster. (346 Nm @ 2400 RPM). This means 2012 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1991 Buick Roadmaster.
Compare all specifications:
| 1991 Buick Roadmaster | 2012 GMC Sierra | |
| Make | Buick | GMC |
| Model | Roadmaster | Sierra |
| Year Released | 1991 | 2012 |
| Body Type | Station Wagon | Pickup |
| Engine Position | Front | Front |
| Engine Size | 5002 cc | 4800 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 168 HP | 302 HP |
| Engine RPM | 4200 RPM | 5600 RPM |
| Torque | 346 Nm | 413 Nm |
| Torque RPM | 2400 RPM | 4600 RPM |
| Fuel Type | Gasoline | Flex Fuel |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | 4-speed automatic |
| Vehicle Weight | 2000 kg | 2311 kg |
| Vehicle Length | 5540 mm | 5847 mm |
| Vehicle Width | 2040 mm | 2032 mm |
| Vehicle Height | 1540 mm | 1875 mm |
| Wheelbase Size | 2950 mm | 3645 mm |
