1985 Alfa Romeo Spider vs. 1986 BMW 730
To start off, 1986 BMW 730 is newer by 1 year(s). Which means there will be less support and parts availability for 1985 Alfa Romeo Spider. In addition, the cost of maintenance, including insurance, on 1985 Alfa Romeo Spider would be higher. At 2,986 cc (6 cylinders), 1986 BMW 730 is equipped with a bigger engine. In terms of performance, 1986 BMW 730 (197 HP @ 5800 RPM) has 71 more horse power than 1985 Alfa Romeo Spider. (126 HP @ 5400 RPM) In normal driving conditions, 1986 BMW 730 should accelerate faster than 1985 Alfa Romeo Spider. With that said, vehicle weight also plays an important factor in acceleration. 1986 BMW 730 weights approximately 439 kg more than 1985 Alfa Romeo Spider. 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, 1986 BMW 730 (275 Nm @ 4000 RPM) has 97 more torque (in Nm) than 1985 Alfa Romeo Spider. (178 Nm @ 4000 RPM). This means 1986 BMW 730 will have an easier job in driving up hills or pulling heavy equipment than 1985 Alfa Romeo Spider.
Compare all specifications:
| 1985 Alfa Romeo Spider | 1986 BMW 730 | |
| Make | Alfa Romeo | BMW |
| Model | Spider | 730 |
| Year Released | 1985 | 1986 |
| Body Type | Roadster | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1960 cc | 2986 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 126 HP | 197 HP |
| Engine RPM | 5400 RPM | 5800 RPM |
| Torque | 178 Nm | 275 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Bore Size | 84 mm | 89 mm |
| Engine Stroke Size | 88.5 mm | 80 mm |
| Engine Compression Ratio | 9.0:1 | 9.2:1 |
| Top Speed | 197 km/hour | 225 km/hour |
| Acceleration 0-100mph | 10 seconds | 9.3 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1161 kg | 1600 kg |
| Vehicle Length | 4250 mm | 4920 mm |
| Vehicle Width | 1640 mm | 1850 mm |
| Vehicle Height | 1300 mm | 1420 mm |
| Wheelbase Size | 2260 mm | 2800 mm |
