1973 BMW 1502 vs. 2001 Daihatsu Sirion
To start off, 2001 Daihatsu Sirion is newer by 28 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 13 more horse power than 2001 Daihatsu Sirion. (72 HP @ 5200 RPM). In normal driving conditions, 1973 BMW 1502 should accelerate faster than 2001 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 1973 BMW 1502 weights approximately 90 kg more than 2001 Daihatsu Sirion. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1973 BMW 1502 (130 Nm @ 3500 RPM) has 29 more torque (in Nm) than 2001 Daihatsu Sirion. (101 Nm @ 3600 RPM). This means 1973 BMW 1502 will have an easier job in driving up hills or pulling heavy equipment than 2001 Daihatsu Sirion.
Compare all specifications:
| 1973 BMW 1502 | 2001 Daihatsu Sirion | |
| Make | BMW | Daihatsu |
| Model | 1502 | Sirion |
| Year Released | 1973 | 2001 |
| Engine Position | Front | Front |
| Engine Size | 1573 cc | 1298 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 85 HP | 72 HP |
| Engine RPM | 5800 RPM | 5200 RPM |
| Torque | 130 Nm | 101 Nm |
| Torque RPM | 3500 RPM | 3600 RPM |
| Engine Bore Size | 84 mm | 72 mm |
| Engine Stroke Size | 71 mm | 79.7 mm |
| Engine Compression Ratio | 8.6:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 930 kg | 840 kg |
| Vehicle Length | 4240 mm | 3680 mm |
| Vehicle Width | 1600 mm | 1600 mm |
| Vehicle Height | 1420 mm | 1460 mm |
| Wheelbase Size | 2510 mm | 2370 mm |
| Fuel Tank Capacity | 50 L | 37 L |
