1967 Alfa Romeo Spider vs. 2005 BMW 645
To start off, 2005 BMW 645 is newer by 38 year(s). Which means there will be less support and parts availability for 1967 Alfa Romeo Spider. In addition, the cost of maintenance, including insurance, on 1967 Alfa Romeo Spider would be higher. At 4,392 cc (8 cylinders), 2005 BMW 645 is equipped with a bigger engine. In terms of performance, 2005 BMW 645 (326 HP @ 6100 RPM) has 163 more horse power than 1967 Alfa Romeo Spider. (163 HP @ 5900 RPM) In normal driving conditions, 2005 BMW 645 should accelerate faster than 1967 Alfa Romeo Spider. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 645 weights approximately 565 kg more than 1967 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, 2005 BMW 645 (447 Nm @ 3600 RPM) has 227 more torque (in Nm) than 1967 Alfa Romeo Spider. (220 Nm @ 4000 RPM). This means 2005 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 1967 Alfa Romeo Spider.
Compare all specifications:
| 1967 Alfa Romeo Spider | 2005 BMW 645 | |
| Make | Alfa Romeo | BMW |
| Model | Spider | 645 |
| Year Released | 1967 | 2005 |
| Body Type | Roadster | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2582 cc | 4392 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 163 HP | 326 HP |
| Engine RPM | 5900 RPM | 6100 RPM |
| Torque | 220 Nm | 447 Nm |
| Torque RPM | 4000 RPM | 3600 RPM |
| Engine Bore Size | 83 mm | 92 mm |
| Engine Stroke Size | 79.6 mm | 83 mm |
| Engine Compression Ratio | 9.0:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1330 kg | 1895 kg |
| Vehicle Length | 4510 mm | 4830 mm |
| Vehicle Width | 1610 mm | 1860 mm |
| Vehicle Height | 1390 mm | 1380 mm |
| Wheelbase Size | 2510 mm | 2890 mm |
| Fuel Tank Capacity | 47 L | 70 L |
