1970 Alfa Romeo Spider vs. 2004 BMW 645
To start off, 2004 BMW 645 is newer by 34 year(s). Which means there will be less support and parts availability for 1970 Alfa Romeo Spider. In addition, the cost of maintenance, including insurance, on 1970 Alfa Romeo Spider would be higher. At 4,392 cc (8 cylinders), 2004 BMW 645 is equipped with a bigger engine. In terms of performance, 2004 BMW 645 (322 HP @ 7400 RPM) has 219 more horse power than 1970 Alfa Romeo Spider. (103 HP @ 6000 RPM) In normal driving conditions, 2004 BMW 645 should accelerate faster than 1970 Alfa Romeo Spider. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW 645 weights approximately 725 kg more than 1970 Alfa Romeo Spider. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2004 BMW 645 (447 Nm) has 309 more torque (in Nm) than 1970 Alfa Romeo Spider. (138 Nm). This means 2004 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 1970 Alfa Romeo Spider.
Compare all specifications:
| 1970 Alfa Romeo Spider | 2004 BMW 645 | |
| Make | Alfa Romeo | BMW |
| Model | Spider | 645 |
| Year Released | 1970 | 2004 |
| Body Type | Roadster | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1290 cc | 4392 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 103 HP | 322 HP |
| Engine RPM | 6000 RPM | 7400 RPM |
| Torque | 138 Nm | 447 Nm |
| Engine Bore Size | 78 mm | 92 mm |
| Engine Stroke Size | 67.5 mm | 83 mm |
| Drive Type | Rear | Rear |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 990 kg | 1715 kg |
| Vehicle Length | 4130 mm | 4840 mm |
| Vehicle Width | 1630 mm | 1860 mm |
| Vehicle Height | 1300 mm | 1380 mm |
| Wheelbase Size | 2260 mm | 2790 mm |
| Fuel Tank Capacity | 46 L | 70 L |
