1985 Alfa Romeo 90 vs. 1978 BMW 730
To start off, 1985 Alfa Romeo 90 is newer by 7 year(s). Which means there will be less support and parts availability for 1978 BMW 730. In addition, the cost of maintenance, including insurance, on 1978 BMW 730 would be higher. At 2,788 cc (6 cylinders), 1978 BMW 730 is equipped with a bigger engine. In terms of performance, 1978 BMW 730 (185 HP @ 5800 RPM) has 76 more horse power than 1985 Alfa Romeo 90. (109 HP @ 4200 RPM) In normal driving conditions, 1978 BMW 730 should accelerate faster than 1985 Alfa Romeo 90. With that said, vehicle weight also plays an important factor in acceleration. 1978 BMW 730 weights approximately 260 kg more than 1985 Alfa Romeo 90. 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, 1985 Alfa Romeo 90 (235 Nm @ 2300 RPM) has 5 more torque (in Nm) than 1978 BMW 730. (230 Nm @ 4000 RPM). This means 1985 Alfa Romeo 90 will have an easier job in driving up hills or pulling heavy equipment than 1978 BMW 730.
Compare all specifications:
| 1985 Alfa Romeo 90 | 1978 BMW 730 | |
| Make | Alfa Romeo | BMW |
| Model | 90 | 730 |
| Year Released | 1985 | 1978 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2391 cc | 2788 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 109 HP | 185 HP |
| Engine RPM | 4200 RPM | 5800 RPM |
| Torque | 235 Nm | 230 Nm |
| Torque RPM | 2300 RPM | 4000 RPM |
| Engine Compression Ratio | 22.0:1 | 10.0:1 |
| Fuel Type | Diesel | Gasoline |
| 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 | 1510 kg |
| Vehicle Length | 4400 mm | 4870 mm |
| Vehicle Width | 1650 mm | 1810 mm |
| Vehicle Height | 1430 mm | 1440 mm |
| Wheelbase Size | 2520 mm | 2810 mm |
