1983 BMW 525 vs. 1991 BMW 730
To start off, 1991 BMW 730 is newer by 8 year(s). Which means there will be less support and parts availability for 1983 BMW 525. In addition, the cost of maintenance, including insurance, on 1983 BMW 525 would be higher. At 2,986 cc (6 cylinders), 1991 BMW 730 is equipped with a bigger engine. In terms of performance, 1991 BMW 730 (185 HP @ 5800 RPM) has 62 more horse power than 1983 BMW 525. (123 HP @ 4250 RPM) In normal driving conditions, 1991 BMW 730 should accelerate faster than 1983 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 1991 BMW 730 weights approximately 350 kg more than 1983 BMW 525. 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 BMW 730 (260 Nm @ 4000 RPM) has 19 more torque (in Nm) than 1983 BMW 525. (241 Nm @ 3250 RPM). This means 1991 BMW 730 will have an easier job in driving up hills or pulling heavy equipment than 1983 BMW 525.
Compare all specifications:
1983 BMW 525 | 1991 BMW 730 | |
Make | BMW | BMW |
Model | 525 | 730 |
Year Released | 1983 | 1991 |
Body Type | Sedan | Sedan |
Engine Position | Front | Front |
Engine Size | 2693 cc | 2986 cc |
Engine Cylinders | 6 cylinders | 6 cylinders |
Engine Type | in-line | in-line |
Horse Power | 123 HP | 185 HP |
Engine RPM | 4250 RPM | 5800 RPM |
Torque | 241 Nm | 260 Nm |
Torque RPM | 3250 RPM | 4000 RPM |
Engine Bore Size | 84 mm | 89 mm |
Engine Stroke Size | 81 mm | 80 mm |
Drive Type | Rear | Rear |
Transmission Type | Manual | Manual |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 4 doors |
Vehicle Weight | 1250 kg | 1600 kg |
Vehicle Length | 4630 mm | 4920 mm |
Vehicle Width | 1710 mm | 1850 mm |
Vehicle Height | 1430 mm | 1420 mm |
Wheelbase Size | 2630 mm | 2840 mm |
Fuel Tank Capacity | 70 L | 90 L |