1981 BMW 745 vs. 1985 Porsche 928
To start off, 1985 Porsche 928 is newer by 4 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 4,664 cc (8 cylinders), 1985 Porsche 928 is equipped with a bigger engine. In terms of performance, 1985 Porsche 928 (310 HP @ 5900 RPM) has 58 more horse power than 1981 BMW 745. (252 HP @ 5200 RPM) In normal driving conditions, 1985 Porsche 928 should accelerate faster than 1981 BMW 745. With that said, vehicle weight also plays an important factor in acceleration. 1981 BMW 745 weights approximately 36 kg more than 1985 Porsche 928.
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, 1985 Porsche 928 (400 Nm @ 4500 RPM) has 20 more torque (in Nm) than 1981 BMW 745. (380 Nm @ 2200 RPM). This means 1985 Porsche 928 will have an easier job in driving up hills or pulling heavy equipment than 1981 BMW 745.
Compare all specifications:
1981 BMW 745 | 1985 Porsche 928 | |
Make | BMW | Porsche |
Model | 745 | 928 |
Year Released | 1981 | 1985 |
Body Type | Sedan | Coupe |
Engine Position | Front | Front |
Engine Size | 3430 cc | 4664 cc |
Engine Cylinders | 6 cylinders | 8 cylinders |
Engine Type | in-line | V |
Horse Power | 252 HP | 310 HP |
Engine RPM | 5200 RPM | 5900 RPM |
Torque | 380 Nm | 400 Nm |
Torque RPM | 2200 RPM | 4500 RPM |
Engine Bore Size | 92 mm | 97 mm |
Engine Stroke Size | 86 mm | 78.9 mm |
Engine Compression Ratio | 8.0:1 | 10.4:1 |
Top Speed | 220 km/hour | 255 km/hour |
Drive Type | Rear | Rear |
Transmission Type | Manual | Manual |
Number of Seats | 5 seats | 4 seats |
Number of Doors | 4 doors | 2 doors |
Vehicle Weight | 1590 kg | 1554 kg |
Vehicle Length | 4870 mm | 4450 mm |
Vehicle Width | 1810 mm | 1840 mm |
Vehicle Height | 1440 mm | 1290 mm |
Wheelbase Size | 2800 mm | 2510 mm |
Fuel Tank Capacity | 100 L | 86 L |