1966 Alfa Romeo Spider vs. 2007 BMW 523
To start off, 2007 BMW 523 is newer by 41 year(s). Which means there will be less support and parts availability for 1966 Alfa Romeo Spider. In addition, the cost of maintenance, including insurance, on 1966 Alfa Romeo Spider would be higher. At 2,582 cc (6 cylinders), 1966 Alfa Romeo Spider is equipped with a bigger engine. In terms of performance, 2007 BMW 523 (175 HP @ 5800 RPM) has 12 more horse power than 1966 Alfa Romeo Spider. (163 HP @ 5900 RPM) In normal driving conditions, 2007 BMW 523 should accelerate faster than 1966 Alfa Romeo Spider. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 523 weights approximately 160 kg more than 1966 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, 2007 BMW 523 (230 Nm @ 3500 RPM) has 10 more torque (in Nm) than 1966 Alfa Romeo Spider. (220 Nm @ 4000 RPM). This means 2007 BMW 523 will have an easier job in driving up hills or pulling heavy equipment than 1966 Alfa Romeo Spider.
Compare all specifications:
| 1966 Alfa Romeo Spider | 2007 BMW 523 | |
| Make | Alfa Romeo | BMW |
| Model | Spider | 523 |
| Year Released | 1966 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 2582 cc | 2497 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 163 HP | 175 HP |
| Engine RPM | 5900 RPM | 5800 RPM |
| Torque | 220 Nm | 230 Nm |
| Torque RPM | 4000 RPM | 3500 RPM |
| Engine Bore Size | 83 mm | 82.1 mm |
| Engine Stroke Size | 79.6 mm | 78.8 mm |
| Engine Compression Ratio | 9.0:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1330 kg | 1490 kg |
| Vehicle Width | 1610 mm | 1470 mm |
| Vehicle Height | 1390 mm | 1850 mm |
| Wheelbase Size | 2510 mm | 2890 mm |
| Fuel Tank Capacity | 46 L | 70 L |
