1978 Buick Regal vs. 1984 Mazda RX-7
To start off, 1984 Mazda RX-7 is newer by 6 year(s). Which means there will be less support and parts availability for 1978 Buick Regal. In addition, the cost of maintenance, including insurance, on 1978 Buick Regal would be higher. At 3,214 cc (6 cylinders), 1978 Buick Regal is equipped with a bigger engine. In terms of performance, 1984 Mazda RX-7 (114 HP @ 6000 RPM) has 24 more horse power than 1978 Buick Regal. (90 HP @ 3600 RPM) In normal driving conditions, 1984 Mazda RX-7 should accelerate faster than 1978 Buick Regal. With that said, vehicle weight also plays an important factor in acceleration. 1978 Buick Regal weights approximately 370 kg more than 1984 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, 1978 Buick Regal (224 Nm @ 2000 RPM) has 66 more torque (in Nm) than 1984 Mazda RX-7. (158 Nm @ 4000 RPM). This means 1978 Buick Regal will have an easier job in driving up hills or pulling heavy equipment than 1984 Mazda RX-7.
Compare all specifications:
| 1978 Buick Regal | 1984 Mazda RX-7 | |
| Make | Buick | Mazda |
| Model | Regal | RX-7 |
| Year Released | 1978 | 1984 |
| Engine Position | Front | Front |
| Engine Size | 3214 cc | 2292 cc |
| Engine Type | in-line | dual-disk rotary |
| Horse Power | 90 HP | 114 HP |
| Engine RPM | 3600 RPM | 6000 RPM |
| Torque | 224 Nm | 158 Nm |
| Torque RPM | 2000 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1430 kg | 1060 kg |
| Vehicle Length | 5090 mm | 4290 mm |
| Vehicle Width | 1840 mm | 1680 mm |
| Vehicle Height | 1370 mm | 1270 mm |
| Wheelbase Size | 2750 mm | 2430 mm |
