1973 BMW 1502 vs. 2007 Mazda 3
To start off, 2007 Mazda 3 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 1,573 cc (4 cylinders), 1973 BMW 1502 is equipped with a bigger engine. In terms of performance, 1973 BMW 1502 (85 HP @ 5800 RPM) has 2 more horse power than 2007 Mazda 3. (83 HP @ 5700 RPM). In normal driving conditions, 1973 BMW 1502 should accelerate faster than 2007 Mazda 3. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mazda 3 weights approximately 225 kg more than 1973 BMW 1502.
Let's talk about torque, 1973 BMW 1502 (130 Nm @ 3500 RPM) has 6 more torque (in Nm) than 2007 Mazda 3. (124 Nm @ 3500 RPM). This means 1973 BMW 1502 will have an easier job in driving up hills or pulling heavy equipment than 2007 Mazda 3.
Compare all specifications:
| 1973 BMW 1502 | 2007 Mazda 3 | |
| Make | BMW | Mazda |
| Model | 1502 | 3 |
| Year Released | 1973 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1573 cc | 1347 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 85 HP | 83 HP |
| Engine RPM | 5800 RPM | 5700 RPM |
| Torque | 130 Nm | 124 Nm |
| Torque RPM | 3500 RPM | 3500 RPM |
| Engine Bore Size | 84 mm | 76 mm |
| Engine Stroke Size | 71 mm | 76.5 mm |
| Engine Compression Ratio | 8.6:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 930 kg | 1155 kg |
| Vehicle Length | 4240 mm | 4430 mm |
| Vehicle Width | 1600 mm | 1760 mm |
| Vehicle Height | 1420 mm | 1470 mm |
| Wheelbase Size | 2510 mm | 2650 mm |
| Fuel Tank Capacity | 50 L | 55 L |
