1974 BMW 1502 vs. 2006 BMW 550
To start off, 2006 BMW 550 is newer by 32 year(s). Which means there will be less support and parts availability for 1974 BMW 1502. In addition, the cost of maintenance, including insurance, on 1974 BMW 1502 would be higher. At 4,799 cc (8 cylinders), 2006 BMW 550 is equipped with a bigger engine. In terms of performance, 2006 BMW 550 (360 HP @ 6300 RPM) has 277 more horse power than 1974 BMW 1502. (83 HP @ 5800 RPM) In normal driving conditions, 2006 BMW 550 should accelerate faster than 1974 BMW 1502. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 550 weights approximately 795 kg more than 1974 BMW 1502. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2006 BMW 550 (488 Nm @ 3400 RPM) has 358 more torque (in Nm) than 1974 BMW 1502. (130 Nm @ 3500 RPM). This means 2006 BMW 550 will have an easier job in driving up hills or pulling heavy equipment than 1974 BMW 1502.
Compare all specifications:
| 1974 BMW 1502 | 2006 BMW 550 | |
| Make | BMW | BMW |
| Model | 1502 | 550 |
| Year Released | 1974 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 1574 cc | 4799 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 83 HP | 360 HP |
| Engine RPM | 5800 RPM | 6300 RPM |
| Torque | 130 Nm | 488 Nm |
| Torque RPM | 3500 RPM | 3400 RPM |
| Engine Bore Size | 84 mm | 93.1 mm |
| Engine Stroke Size | 71 mm | 88.4 mm |
| Engine Compression Ratio | 8.6:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 930 kg | 1725 kg |
| Vehicle Length | 4240 mm | 4880 mm |
| Vehicle Width | 1600 mm | 1850 mm |
| Vehicle Height | 1420 mm | 1470 mm |
| Wheelbase Size | 2510 mm | 2890 mm |
| Fuel Tank Capacity | 50 L | 70 L |
