1991 Mazda RX-7 vs. 1977 Mazda RX-3
To start off, 1991 Mazda RX-7 is newer by 14 year(s). Which means there will be less support and parts availability for 1977 Mazda RX-3. In addition, the cost of maintenance, including insurance, on 1977 Mazda RX-3 would be higher. At 2,616 cc, 1991 Mazda RX-7 is equipped with a bigger engine. In terms of performance, 1991 Mazda RX-7 (197 HP @ 6500 RPM) has 97 more horse power than 1977 Mazda RX-3. (100 HP @ 7000 RPM). In normal driving conditions, 1991 Mazda RX-7 should accelerate faster than 1977 Mazda RX-3. With that said, vehicle weight also plays an important factor in acceleration. 1991 Mazda RX-7 weights approximately 450 kg more than 1977 Mazda RX-3. 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 Mazda RX-7 (270 Nm @ 3500 RPM) has 135 more torque (in Nm) than 1977 Mazda RX-3. (135 Nm @ 4000 RPM). This means 1991 Mazda RX-7 will have an easier job in driving up hills or pulling heavy equipment than 1977 Mazda RX-3.
Compare all specifications:
| 1991 Mazda RX-7 | 1977 Mazda RX-3 | |
| Make | Mazda | Mazda |
| Model | RX-7 | RX-3 |
| Year Released | 1991 | 1977 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2616 cc | 1964 cc |
| Engine Type | dual-disk rotary | dual-disk rotary |
| Horse Power | 197 HP | 100 HP |
| Engine RPM | 6500 RPM | 7000 RPM |
| Torque | 270 Nm | 135 Nm |
| Torque RPM | 3500 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1302 kg | 852 kg |
| Vehicle Length | 4320 mm | 4090 mm |
| Vehicle Width | 1700 mm | 1600 mm |
| Vehicle Height | 1270 mm | 1380 mm |
| Wheelbase Size | 2430 mm | 2320 mm |
| Fuel Tank Capacity | 75 L | 65 L |
