1968 Alfa Romeo Spider vs. 1991 BMW 730
To start off, 1991 BMW 730 is newer by 23 year(s). Which means there will be less support and parts availability for 1968 Alfa Romeo Spider. In addition, the cost of maintenance, including insurance, on 1968 Alfa Romeo Spider would be higher. At 2,986 cc (6 cylinders), 1991 BMW 730 is equipped with a bigger engine. In terms of performance, 1991 BMW 730 (185 HP @ 5800 RPM) has 22 more horse power than 1968 Alfa Romeo Spider. (163 HP @ 5900 RPM) In normal driving conditions, 1991 BMW 730 should accelerate faster than 1968 Alfa Romeo Spider. With that said, vehicle weight also plays an important factor in acceleration. 1991 BMW 730 weights approximately 270 kg more than 1968 Alfa Romeo Spider. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1991 BMW 730 (260 Nm @ 4000 RPM) has 40 more torque (in Nm) than 1968 Alfa Romeo Spider. (220 Nm @ 4000 RPM). This means 1991 BMW 730 will have an easier job in driving up hills or pulling heavy equipment than 1968 Alfa Romeo Spider.
Compare all specifications:
| 1968 Alfa Romeo Spider | 1991 BMW 730 | |
| Make | Alfa Romeo | BMW |
| Model | Spider | 730 |
| Year Released | 1968 | 1991 |
| Body Type | Roadster | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2580 cc | 2986 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 163 HP | 185 HP |
| Engine RPM | 5900 RPM | 5800 RPM |
| Torque | 220 Nm | 260 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Bore Size | 83 mm | 89 mm |
| Engine Stroke Size | 79.6 mm | 80 mm |
| Engine Compression Ratio | 9.0:1 | 9.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1330 kg | 1600 kg |
| Vehicle Length | 4510 mm | 4920 mm |
| Vehicle Width | 1610 mm | 1850 mm |
| Vehicle Height | 1390 mm | 1420 mm |
| Wheelbase Size | 2510 mm | 2840 mm |
| Fuel Tank Capacity | 47 L | 90 L |
