1970 Alfa Romeo Spider vs. 1990 BMW 730
To start off, 1990 BMW 730 is newer by 20 year(s). Which means there will be less support and parts availability for 1970 Alfa Romeo Spider. In addition, the cost of maintenance, including insurance, on 1970 Alfa Romeo Spider would be higher. At 2,986 cc (6 cylinders), 1990 BMW 730 is equipped with a bigger engine. In terms of performance, 1990 BMW 730 (181 HP @ 5800 RPM) has 78 more horse power than 1970 Alfa Romeo Spider. (103 HP @ 6000 RPM) In normal driving conditions, 1990 BMW 730 should accelerate faster than 1970 Alfa Romeo Spider. With that said, vehicle weight also plays an important factor in acceleration. 1990 BMW 730 weights approximately 610 kg more than 1970 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, 1990 BMW 730 (260 Nm @ 4000 RPM) has 122 more torque (in Nm) than 1970 Alfa Romeo Spider. (138 Nm @ 3200 RPM). This means 1990 BMW 730 will have an easier job in driving up hills or pulling heavy equipment than 1970 Alfa Romeo Spider.
Compare all specifications:
| 1970 Alfa Romeo Spider | 1990 BMW 730 | |
| Make | Alfa Romeo | BMW |
| Model | Spider | 730 |
| Year Released | 1970 | 1990 |
| Body Type | Roadster | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1290 cc | 2986 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 103 HP | 181 HP |
| Engine RPM | 6000 RPM | 5800 RPM |
| Torque | 138 Nm | 260 Nm |
| Torque RPM | 3200 RPM | 4000 RPM |
| Engine Bore Size | 78 mm | 89 mm |
| Engine Stroke Size | 67.5 mm | 80 mm |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 990 kg | 1600 kg |
| Vehicle Length | 4130 mm | 4920 mm |
| Vehicle Width | 1630 mm | 1850 mm |
| Vehicle Height | 1300 mm | 1420 mm |
| Wheelbase Size | 2260 mm | 2840 mm |
| Fuel Tank Capacity | 46 L | 90 L |
