1991 Buick Roadmaster vs. 1983 Mazda RX-7
To start off, 1991 Buick Roadmaster is newer by 8 year(s). Which means there will be less support and parts availability for 1983 Mazda RX-7. In addition, the cost of maintenance, including insurance, on 1983 Mazda RX-7 would be higher. At 5,731 cc (8 cylinders), 1991 Buick Roadmaster is equipped with a bigger engine. In terms of performance, 1991 Buick Roadmaster (177 HP @ 4200 RPM) has 72 more horse power than 1983 Mazda RX-7. (105 HP @ 6000 RPM). In normal driving conditions, 1991 Buick Roadmaster should accelerate faster than 1983 Mazda RX-7. With that said, vehicle weight also plays an important factor in acceleration. 1991 Buick Roadmaster weights approximately 780 kg more than 1983 Mazda RX-7. 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, 1991 Buick Roadmaster (393 Nm @ 2400 RPM) has 248 more torque (in Nm) than 1983 Mazda RX-7. (145 Nm @ 4000 RPM). This means 1991 Buick Roadmaster will have an easier job in driving up hills or pulling heavy equipment than 1983 Mazda RX-7. 1991 Buick Roadmaster has automatic transmission and 1983 Mazda RX-7 has manual transmission. 1983 Mazda RX-7 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1991 Buick Roadmaster will be easier to drive especially in heavy traffic.
Compare all specifications:
1991 Buick Roadmaster | 1983 Mazda RX-7 | |
Make | Buick | Mazda |
Model | Roadmaster | RX-7 |
Year Released | 1991 | 1983 |
Body Type | Sedan | Coupe |
Engine Position | Front | Front |
Engine Size | 5731 cc | 2292 cc |
Engine Type | V | dual-disk rotary |
Horse Power | 177 HP | 105 HP |
Engine RPM | 4200 RPM | 6000 RPM |
Torque | 393 Nm | 145 Nm |
Torque RPM | 2400 RPM | 4000 RPM |
Fuel Type | Gasoline | Gasoline |
Drive Type | Rear | Rear |
Transmission Type | Automatic | Manual |
Number of Doors | 4 doors | 2 doors |
Vehicle Weight | 1840 kg | 1060 kg |
Vehicle Length | 5280 mm | 4290 mm |
Vehicle Width | 2040 mm | 1680 mm |
Vehicle Height | 1650 mm | 1270 mm |
Wheelbase Size | 2950 mm | 2430 mm |
Fuel Tank Capacity | 75 L | 65 L |