1981 BMW 745 vs. 1987 BMW 730
To start off, 1987 BMW 730 is newer by 6 year(s). Which means there will be less support and parts availability for 1981 BMW 745. In addition, the cost of maintenance, including insurance, on 1981 BMW 745 would be higher. At 3,430 cc (6 cylinders), 1981 BMW 745 is equipped with a bigger engine. In terms of performance, 1981 BMW 745 (252 HP @ 5200 RPM) has 71 more horse power than 1987 BMW 730. (181 HP @ 5800 RPM). In normal driving conditions, 1981 BMW 745 should accelerate faster than 1987 BMW 730. With that said, vehicle weight also plays an important factor in acceleration. 1987 BMW 730 weights approximately 12 kg more than 1981 BMW 745.
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 745 (380 Nm @ 2200 RPM) has 120 more torque (in Nm) than 1987 BMW 730. (260 Nm @ 4000 RPM). This means 1981 BMW 745 will have an easier job in driving up hills or pulling heavy equipment than 1987 BMW 730.
Compare all specifications:
1981 BMW 745 | 1987 BMW 730 | |
Make | BMW | BMW |
Model | 745 | 730 |
Year Released | 1981 | 1987 |
Body Type | Sedan | Sedan |
Engine Position | Front | Front |
Engine Size | 3430 cc | 2986 cc |
Engine Cylinders | 6 cylinders | 6 cylinders |
Engine Type | in-line | in-line |
Horse Power | 252 HP | 181 HP |
Engine RPM | 5200 RPM | 5800 RPM |
Torque | 380 Nm | 260 Nm |
Torque RPM | 2200 RPM | 4000 RPM |
Engine Bore Size | 92 mm | 89 mm |
Engine Stroke Size | 86 mm | 80 mm |
Engine Compression Ratio | 8.0:1 | 9.0:1 |
Drive Type | Rear | Rear |
Transmission Type | Manual | Manual |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 4 doors |
Vehicle Weight | 1590 kg | 1602 kg |
Vehicle Length | 4870 mm | 4920 mm |
Vehicle Width | 1810 mm | 1850 mm |
Vehicle Height | 1440 mm | 1420 mm |
Wheelbase Size | 2800 mm | 2840 mm |
Fuel Tank Capacity | 100 L | 90 L |