1970 Buick Centurion vs. 1991 Buick Roadmaster
To start off, 1991 Buick Roadmaster is newer by 21 year(s). Which means there will be less support and parts availability for 1970 Buick Centurion. In addition, the cost of maintenance, including insurance, on 1970 Buick Centurion would be higher. At 7,467 cc (6 cylinders), 1970 Buick Centurion is equipped with a bigger engine. In terms of performance, 1970 Buick Centurion (225 HP @ 4000 RPM) has 48 more horse power than 1991 Buick Roadmaster. (177 HP @ 4200 RPM). In normal driving conditions, 1970 Buick Centurion should accelerate faster than 1991 Buick Roadmaster. With that said, vehicle weight also plays an important factor in acceleration. 1970 Buick Centurion weights approximately 230 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, 1970 Buick Centurion (498 Nm @ 2600 RPM) has 105 more torque (in Nm) than 1991 Buick Roadmaster. (393 Nm @ 2400 RPM). This means 1970 Buick Centurion will have an easier job in driving up hills or pulling heavy equipment than 1991 Buick Roadmaster.
Compare all specifications:
| 1970 Buick Centurion | 1991 Buick Roadmaster | |
| Make | Buick | Buick |
| Model | Centurion | Roadmaster |
| Year Released | 1970 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 7467 cc | 5731 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 225 HP | 177 HP |
| Engine RPM | 4000 RPM | 4200 RPM |
| Torque | 498 Nm | 393 Nm |
| Torque RPM | 2600 RPM | 2400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Vehicle Weight | 2070 kg | 1840 kg |
| Vehicle Length | 5650 mm | 5280 mm |
| Vehicle Width | 2040 mm | 2040 mm |
| Vehicle Height | 1380 mm | 1650 mm |
| Wheelbase Size | 3160 mm | 2950 mm |
