1968 Alfa Romeo Spider vs. 2004 BMW X3
To start off, 2004 BMW X3 is newer by 36 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 2,925 cc (6 cylinders), 2004 BMW X3 is equipped with a bigger engine. In terms of performance, 2004 BMW X3 (225 HP @ 7400 RPM) has 62 more horse power than 1968 Alfa Romeo Spider. (163 HP @ 5900 RPM) In normal driving conditions, 2004 BMW X3 should accelerate faster than 1968 Alfa Romeo Spider. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW X3 weights approximately 495 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, 2004 BMW X3 (290 Nm) has 70 more torque (in Nm) than 1968 Alfa Romeo Spider. (220 Nm). This means 2004 BMW X3 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 | 2004 BMW X3 | |
| Make | Alfa Romeo | BMW |
| Model | Spider | X3 |
| Year Released | 1968 | 2004 |
| Body Type | Roadster | SUV |
| Engine Position | Front | Front |
| Engine Size | 2580 cc | 2925 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 163 HP | 225 HP |
| Engine RPM | 5900 RPM | 7400 RPM |
| Torque | 220 Nm | 290 Nm |
| Engine Bore Size | 83 mm | 84 mm |
| Engine Stroke Size | 79.6 mm | 90 mm |
| Engine Compression Ratio | 9.0:1 | 10.2:1 |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1330 kg | 1825 kg |
| Vehicle Length | 4510 mm | 4570 mm |
| Vehicle Width | 1610 mm | 1860 mm |
| Vehicle Height | 1390 mm | 1680 mm |
| Wheelbase Size | 2510 mm | 2800 mm |
| Fuel Tank Capacity | 47 L | 67 L |
