1986 BMW 730 vs. 1973 Mazda RX-4
To start off, 1986 BMW 730 is newer by 13 year(s). Which means there will be less support and parts availability for 1973 Mazda RX-4. In addition, the cost of maintenance, including insurance, on 1973 Mazda RX-4 would be higher. At 2,986 cc (6 cylinders), 1986 BMW 730 is equipped with a bigger engine. In terms of performance, 1986 BMW 730 (181 HP @ 5800 RPM) has 67 more horse power than 1973 Mazda RX-4. (114 HP @ 6000 RPM). In normal driving conditions, 1986 BMW 730 should accelerate faster than 1973 Mazda RX-4. With that said, vehicle weight also plays an important factor in acceleration. 1986 BMW 730 weights approximately 490 kg more than 1973 Mazda RX-4. 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, 1986 BMW 730 (260 Nm @ 4000 RPM) has 95 more torque (in Nm) than 1973 Mazda RX-4. (165 Nm @ 4000 RPM). This means 1986 BMW 730 will have an easier job in driving up hills or pulling heavy equipment than 1973 Mazda RX-4.
Compare all specifications:
| 1986 BMW 730 | 1973 Mazda RX-4 | |
| Make | BMW | Mazda |
| Model | 730 | RX-4 |
| Year Released | 1986 | 1973 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2986 cc | 2616 cc |
| Engine Type | in-line | dual-disk rotary |
| Horse Power | 181 HP | 114 HP |
| Engine RPM | 5800 RPM | 6000 RPM |
| Torque | 260 Nm | 165 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1600 kg | 1110 kg |
| Vehicle Length | 4920 mm | 4400 mm |
| Vehicle Width | 1850 mm | 1670 mm |
| Vehicle Height | 1420 mm | 1390 mm |
| Wheelbase Size | 2840 mm | 2520 mm |
