1991 Buick Roadmaster vs. 1971 Buick Riviera
To start off, 1991 Buick Roadmaster is newer by 20 year(s). Which means there will be less support and parts availability for 1971 Buick Riviera. In addition, the cost of maintenance, including insurance, on 1971 Buick Riviera would be higher. At 7,468 cc (8 cylinders), 1971 Buick Riviera is equipped with a bigger engine. In terms of performance, 1971 Buick Riviera (311 HP @ 4200 RPM) has 134 more horse power than 1991 Buick Roadmaster. (177 HP @ 4200 RPM) In normal driving conditions, 1971 Buick Riviera should accelerate faster than 1991 Buick Roadmaster. With that said, vehicle weight also plays an important factor in acceleration. 1971 Buick Riviera weights approximately 200 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, 1971 Buick Riviera (617 Nm @ 2600 RPM) has 224 more torque (in Nm) than 1991 Buick Roadmaster. (393 Nm @ 2400 RPM). This means 1971 Buick Riviera will have an easier job in driving up hills or pulling heavy equipment than 1991 Buick Roadmaster.
Compare all specifications:
| 1991 Buick Roadmaster | 1971 Buick Riviera | |
| Make | Buick | Buick |
| Model | Roadmaster | Riviera |
| Year Released | 1991 | 1971 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 5731 cc | 7468 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 177 HP | 311 HP |
| Engine RPM | 4200 RPM | 4200 RPM |
| Torque | 393 Nm | 617 Nm |
| Torque RPM | 2400 RPM | 2600 RPM |
| Engine Compression Ratio | 8.0:1 | 8.3:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1840 kg | 2040 kg |
| Vehicle Length | 5280 mm | 5560 mm |
| Vehicle Width | 2040 mm | 2040 mm |
| Vehicle Height | 1650 mm | 1380 mm |
| Wheelbase Size | 2950 mm | 3110 mm |
