1998 BMW 730 vs. 1985 Porsche 928
To start off, 1998 BMW 730 is newer by 13 year(s). Which means there will be less support and parts availability for 1985 Porsche 928. In addition, the cost of maintenance, including insurance, on 1985 Porsche 928 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 120 more horse power than 1998 BMW 730. (190 HP @ 5300 RPM) In normal driving conditions, 1985 Porsche 928 should accelerate faster than 1998 BMW 730. With that said, vehicle weight also plays an important factor in acceleration. 1998 BMW 730 weights approximately 191 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 120 more torque (in Nm) than 1998 BMW 730. (280 Nm @ 3950 RPM). This means 1985 Porsche 928 will have an easier job in driving up hills or pulling heavy equipment than 1998 BMW 730.
Compare all specifications:
| 1998 BMW 730 | 1985 Porsche 928 | |
| Make | BMW | Porsche |
| Model | 730 | 928 |
| Year Released | 1998 | 1985 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2793 cc | 4664 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 190 HP | 310 HP |
| Engine RPM | 5300 RPM | 5900 RPM |
| Torque | 280 Nm | 400 Nm |
| Torque RPM | 3950 RPM | 4500 RPM |
| Engine Bore Size | 84.1 mm | 97 mm |
| Engine Stroke Size | 84 mm | 78.9 mm |
| Engine Compression Ratio | 10.2:1 | 10.4:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1745 kg | 1554 kg |
| Vehicle Length | 5130 mm | 4450 mm |
| Vehicle Width | 1870 mm | 1840 mm |
| Vehicle Height | 1430 mm | 1290 mm |
| Wheelbase Size | 2940 mm | 2510 mm |
| Fuel Tank Capacity | 90 L | 86 L |
