1975 Alfa Romeo Eagle vs. 2003 BMW 645
To start off, 2003 BMW 645 is newer by 28 year(s). Which means there will be less support and parts availability for 1975 Alfa Romeo Eagle. In addition, the cost of maintenance, including insurance, on 1975 Alfa Romeo Eagle would be higher. At 4,398 cc (8 cylinders), 2003 BMW 645 is equipped with a bigger engine. In terms of performance, 2003 BMW 645 (325 HP @ 6100 RPM) has 203 more horse power than 1975 Alfa Romeo Eagle. (122 HP @ 5500 RPM) In normal driving conditions, 2003 BMW 645 should accelerate faster than 1975 Alfa Romeo Eagle. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW 645 weights approximately 820 kg more than 1975 Alfa Romeo Eagle. 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, 2003 BMW 645 (450 Nm @ 3600 RPM) has 283 more torque (in Nm) than 1975 Alfa Romeo Eagle. (167 Nm @ 4400 RPM). This means 2003 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 1975 Alfa Romeo Eagle.
Compare all specifications:
| 1975 Alfa Romeo Eagle | 2003 BMW 645 | |
| Make | Alfa Romeo | BMW |
| Model | Eagle | 645 |
| Year Released | 1975 | 2003 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1779 cc | 4398 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 122 HP | 325 HP |
| Engine RPM | 5500 RPM | 6100 RPM |
| Torque | 167 Nm | 450 Nm |
| Torque RPM | 4400 RPM | 3600 RPM |
| Engine Bore Size | 80 mm | 92 mm |
| Engine Stroke Size | 88.5 mm | 82.7 mm |
| Engine Compression Ratio | 9.5:1 | 10.5:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 870 kg | 1690 kg |
| Vehicle Length | 4090 mm | 4830 mm |
| Vehicle Width | 1640 mm | 1860 mm |
| Vehicle Height | 1230 mm | 1380 mm |
| Wheelbase Size | 2410 mm | 2890 mm |
