1975 BMW 1502 vs. 1986 BMW 730
To start off, 1986 BMW 730 is newer by 11 year(s). Which means there will be less support and parts availability for 1975 BMW 1502. In addition, the cost of maintenance, including insurance, on 1975 BMW 1502 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 108 more horse power than 1975 BMW 1502. (73 HP @ 5800 RPM) In normal driving conditions, 1986 BMW 730 should accelerate faster than 1975 BMW 1502. With that said, vehicle weight also plays an important factor in acceleration. 1986 BMW 730 weights approximately 620 kg more than 1975 BMW 1502. 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 142 more torque (in Nm) than 1975 BMW 1502. (118 Nm @ 3700 RPM). This means 1986 BMW 730 will have an easier job in driving up hills or pulling heavy equipment than 1975 BMW 1502.
Compare all specifications:
| 1975 BMW 1502 | 1986 BMW 730 | |
| Make | BMW | BMW |
| Model | 1502 | 730 |
| Year Released | 1975 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 1573 cc | 2986 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 73 HP | 181 HP |
| Engine RPM | 5800 RPM | 5800 RPM |
| Torque | 118 Nm | 260 Nm |
| Torque RPM | 3700 RPM | 4000 RPM |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 980 kg | 1600 kg |
| Vehicle Length | 4240 mm | 4920 mm |
| Vehicle Width | 1600 mm | 1850 mm |
| Vehicle Height | 1420 mm | 1420 mm |
| Wheelbase Size | 2510 mm | 2840 mm |
| Fuel Tank Capacity | 50 L | 90 L |
