1990 Alfa Romeo SZ vs. 1986 BMW 730
To start off, 1990 Alfa Romeo SZ is newer by 4 year(s). Which means there will be less support and parts availability for 1986 BMW 730. In addition, the cost of maintenance, including insurance, on 1986 BMW 730 would be higher. At 2,986 cc (6 cylinders), 1986 BMW 730 is equipped with a bigger engine. In terms of performance, 1990 Alfa Romeo SZ (208 HP @ 6200 RPM) has 11 more horse power than 1986 BMW 730. (197 HP @ 5800 RPM). In normal driving conditions, 1990 Alfa Romeo SZ should accelerate faster than 1986 BMW 730. With that said, vehicle weight also plays an important factor in acceleration. 1986 BMW 730 weights approximately 340 kg more than 1990 Alfa Romeo SZ.
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, 1986 BMW 730 (275 Nm @ 4000 RPM) has 30 more torque (in Nm) than 1990 Alfa Romeo SZ. (245 Nm @ 4500 RPM). This means 1986 BMW 730 will have an easier job in driving up hills or pulling heavy equipment than 1990 Alfa Romeo SZ.
Compare all specifications:
| 1990 Alfa Romeo SZ | 1986 BMW 730 | |
| Make | Alfa Romeo | BMW |
| Model | SZ | 730 |
| Year Released | 1990 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 2957 cc | 2986 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 208 HP | 197 HP |
| Engine RPM | 6200 RPM | 5800 RPM |
| Torque | 245 Nm | 275 Nm |
| Torque RPM | 4500 RPM | 4000 RPM |
| Engine Bore Size | 93 mm | 89 mm |
| Engine Stroke Size | 72.6 mm | 80 mm |
| Engine Compression Ratio | 9.5:1 | 9.2:1 |
| Top Speed | 230 km/hour | 225 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1260 kg | 1600 kg |
| Vehicle Length | 4290 mm | 4920 mm |
| Vehicle Width | 1740 mm | 1850 mm |
| Vehicle Height | 1320 mm | 1420 mm |
| Wheelbase Size | 2520 mm | 2800 mm |
