1980 Alfa Romeo Spider vs. 1977 BMW 728
To start off, 1980 Alfa Romeo Spider is newer by 3 year(s). Which means there will be less support and parts availability for 1977 BMW 728. In addition, the cost of maintenance, including insurance, on 1977 BMW 728 would be higher. At 2,788 cc (6 cylinders), 1977 BMW 728 is equipped with a bigger engine. In terms of performance, 1977 BMW 728 (170 HP @ 6000 RPM) has 65 more horse power than 1980 Alfa Romeo Spider. (105 HP @ 5500 RPM) In normal driving conditions, 1977 BMW 728 should accelerate faster than 1980 Alfa Romeo Spider. With that said, vehicle weight also plays an important factor in acceleration. 1977 BMW 728 weights approximately 536 kg more than 1980 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, 1977 BMW 728 (235 Nm @ 3700 RPM) has 86 more torque (in Nm) than 1980 Alfa Romeo Spider. (149 Nm @ 4000 RPM). This means 1977 BMW 728 will have an easier job in driving up hills or pulling heavy equipment than 1980 Alfa Romeo Spider.
Compare all specifications:
| 1980 Alfa Romeo Spider | 1977 BMW 728 | |
| Make | Alfa Romeo | BMW |
| Model | Spider | 728 |
| Year Released | 1980 | 1977 |
| Body Type | Roadster | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1570 cc | 2788 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 105 HP | 170 HP |
| Engine RPM | 5500 RPM | 6000 RPM |
| Torque | 149 Nm | 235 Nm |
| Torque RPM | 4000 RPM | 3700 RPM |
| Engine Bore Size | 78 mm | 86 mm |
| Engine Stroke Size | 82 mm | 80 mm |
| Engine Compression Ratio | 9.0:1 | 9.0:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1000 kg | 1536 kg |
| Vehicle Length | 4130 mm | 4870 mm |
| Vehicle Width | 1640 mm | 1810 mm |
| Vehicle Height | 1300 mm | 1440 mm |
| Wheelbase Size | 2260 mm | 2800 mm |
