2007 BMW X3 vs. 1973 BMW 1502
To start off, 2007 BMW X3 is newer by 34 year(s). Which means there will be less support and parts availability for 1973 BMW 1502. In addition, the cost of maintenance, including insurance, on 1973 BMW 1502 would be higher. At 2,979 cc (6 cylinders), 2007 BMW X3 is equipped with a bigger engine. In terms of performance, 2007 BMW X3 (260 HP @ 6600 RPM) has 175 more horse power than 1973 BMW 1502. (85 HP @ 5800 RPM). In normal driving conditions, 2007 BMW X3 should accelerate faster than 1973 BMW 1502.
Let's talk about torque, 2007 BMW X3 (305 Nm @ 2750 RPM) has 175 more torque (in Nm) than 1973 BMW 1502. (130 Nm @ 3500 RPM). This means 2007 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 1973 BMW 1502.
Compare all specifications:
| 2007 BMW X3 | 1973 BMW 1502 | |
| Make | BMW | BMW |
| Model | X3 | 1502 |
| Year Released | 2007 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 1573 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 260 HP | 85 HP |
| Engine RPM | 6600 RPM | 5800 RPM |
| Torque | 305 Nm | 130 Nm |
| Torque RPM | 2750 RPM | 3500 RPM |
| Engine Bore Size | 85.1 mm | 84 mm |
| Engine Stroke Size | 87.9 mm | 71 mm |
| Engine Compression Ratio | 10.7:1 | 8.6:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Doors | 5 doors | 2 doors |
