1968 Buick Riviera vs. 1991 Buick Roadmaster
To start off, 1991 Buick Roadmaster is newer by 23 year(s). Which means there will be less support and parts availability for 1968 Buick Riviera. In addition, the cost of maintenance, including insurance, on 1968 Buick Riviera would be higher. At 7,050 cc (8 cylinders), 1968 Buick Riviera is equipped with a bigger engine. In terms of performance, 1968 Buick Riviera (305 HP @ 5000 RPM) has 137 more horse power than 1991 Buick Roadmaster. (168 HP @ 4200 RPM). In normal driving conditions, 1968 Buick Riviera should accelerate faster than 1991 Buick Roadmaster. With that said, vehicle weight also plays an important factor in acceleration. 1991 Buick Roadmaster weights approximately 100 kg more than 1968 Buick Riviera.
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, 1968 Buick Riviera (645 Nm @ 3200 RPM) has 299 more torque (in Nm) than 1991 Buick Roadmaster. (346 Nm @ 2400 RPM). This means 1968 Buick Riviera will have an easier job in driving up hills or pulling heavy equipment than 1991 Buick Roadmaster.
Compare all specifications:
| 1968 Buick Riviera | 1991 Buick Roadmaster | |
| Make | Buick | Buick |
| Model | Riviera | Roadmaster |
| Year Released | 1968 | 1991 |
| Body Type | Coupe | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 7050 cc | 5002 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 305 HP | 168 HP |
| Engine RPM | 5000 RPM | 4200 RPM |
| Torque | 645 Nm | 346 Nm |
| Torque RPM | 3200 RPM | 2400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1900 kg | 2000 kg |
| Vehicle Length | 5370 mm | 5540 mm |
| Vehicle Width | 2020 mm | 2040 mm |
| Vehicle Height | 1370 mm | 1540 mm |
| Wheelbase Size | 3030 mm | 2950 mm |
