1981 BMW 725 vs. 1985 Mazda RX-7
To start off, 1985 Mazda RX-7 is newer by 4 year(s). Which means there will be less support and parts availability for 1981 BMW 725. In addition, the cost of maintenance, including insurance, on 1981 BMW 725 would be higher. At 2,493 cc (6 cylinders), 1981 BMW 725 is equipped with a bigger engine. In terms of performance, 1981 BMW 725 (148 HP @ 5500 RPM) has 44 more horse power than 1985 Mazda RX-7. (104 HP @ 6000 RPM). In normal driving conditions, 1981 BMW 725 should accelerate faster than 1985 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, 1981 BMW 725 (215 Nm @ 4000 RPM) has 70 more torque (in Nm) than 1985 Mazda RX-7. (145 Nm @ 4000 RPM). This means 1981 BMW 725 will have an easier job in driving up hills or pulling heavy equipment than 1985 Mazda RX-7.
Compare all specifications:
| 1981 BMW 725 | 1985 Mazda RX-7 | |
| Make | BMW | Mazda |
| Model | 725 | RX-7 |
| Year Released | 1981 | 1985 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2493 cc | 2292 cc |
| Engine Type | in-line | dual-disk rotary |
| Horse Power | 148 HP | 104 HP |
| Engine RPM | 5500 RPM | 6000 RPM |
| Torque | 215 Nm | 145 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Length | 4870 mm | 4290 mm |
| Vehicle Width | 1810 mm | 1680 mm |
| Vehicle Height | 1440 mm | 1270 mm |
| Wheelbase Size | 2810 mm | 2430 mm |
