1991 Buick Roadmaster vs. 1992 Mazda RX-7
To start off, 1992 Mazda RX-7 is newer by 1 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, 1992 Mazda RX-7 (239 HP @ 6500 RPM) has 71 more horse power than 1991 Buick Roadmaster. (168 HP @ 4200 RPM) In normal driving conditions, 1992 Mazda RX-7 should accelerate faster than 1991 Buick Roadmaster. With that said, vehicle weight also plays an important factor in acceleration. 1991 Buick Roadmaster weights approximately 700 kg more than 1992 Mazda RX-7.
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, 1991 Buick Roadmaster (346 Nm @ 2400 RPM) has 50 more torque (in Nm) than 1992 Mazda RX-7. (296 Nm @ 5000 RPM). This means 1991 Buick Roadmaster will have an easier job in driving up hills or pulling heavy equipment than 1992 Mazda RX-7.
Compare all specifications:
| 1991 Buick Roadmaster | 1992 Mazda RX-7 | |
| Make | Buick | Mazda |
| Model | Roadmaster | RX-7 |
| Year Released | 1991 | 1992 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Front |
| Engine Size | 5002 cc | 2616 cc |
| Engine Type | V | dual-disk rotary |
| Horse Power | 168 HP | 239 HP |
| Engine RPM | 4200 RPM | 6500 RPM |
| Torque | 346 Nm | 296 Nm |
| Torque RPM | 2400 RPM | 5000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2000 kg | 1300 kg |
| Vehicle Length | 5540 mm | 4320 mm |
| Vehicle Width | 2040 mm | 1700 mm |
| Vehicle Height | 1540 mm | 1240 mm |
| Wheelbase Size | 2950 mm | 2440 mm |
