1968 Alfa Romeo Spider vs. 1991 BMW 525
To start off, 1991 BMW 525 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 2,580 cc (6 cylinders), 1968 Alfa Romeo Spider is equipped with a bigger engine. In terms of performance, 1968 Alfa Romeo Spider (163 HP @ 5900 RPM) has 20 more horse power than 1991 BMW 525. (143 HP @ 4800 RPM). In normal driving conditions, 1968 Alfa Romeo Spider should accelerate faster than 1991 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 1991 BMW 525 weights approximately 230 kg more than 1968 Alfa Romeo Spider.
Let's talk about torque, 1991 BMW 525 (260 Nm @ 2200 RPM) has 40 more torque (in Nm) than 1968 Alfa Romeo Spider. (220 Nm @ 4000 RPM). This means 1991 BMW 525 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 525 | |
| Make | Alfa Romeo | BMW |
| Model | Spider | 525 |
| Year Released | 1968 | 1991 |
| Body Type | Roadster | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2580 cc | 2496 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 163 HP | 143 HP |
| Engine RPM | 5900 RPM | 4800 RPM |
| Torque | 220 Nm | 260 Nm |
| Torque RPM | 4000 RPM | 2200 RPM |
| Engine Bore Size | 83 mm | 80 mm |
| Engine Stroke Size | 79.6 mm | 83 mm |
| Engine Compression Ratio | 9.0:1 | 22.0:1 |
| Fuel Type | Gasoline | Diesel |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1330 kg | 1560 kg |
| Vehicle Length | 4510 mm | 4730 mm |
| Vehicle Width | 1610 mm | 1760 mm |
| Vehicle Height | 1390 mm | 1420 mm |
| Wheelbase Size | 2510 mm | 2770 mm |
| Fuel Tank Capacity | 47 L | 80 L |
