1974 BMW 1502 vs. 2006 Daihatsu Sirion
To start off, 2006 Daihatsu Sirion 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 1,574 cc (4 cylinders), 1974 BMW 1502 is equipped with a bigger engine. In terms of performance, 2006 Daihatsu Sirion (86 HP @ 6000 RPM) has 3 more horse power than 1974 BMW 1502. (83 HP @ 5800 RPM) In normal driving conditions, 2006 Daihatsu Sirion should accelerate faster than 1974 BMW 1502. With that said, vehicle weight also plays an important factor in acceleration. 1974 BMW 1502 weights approximately 25 kg more than 2006 Daihatsu Sirion.
Let's talk about torque, 1974 BMW 1502 (130 Nm @ 3500 RPM) has 10 more torque (in Nm) than 2006 Daihatsu Sirion. (120 Nm @ 3200 RPM). This means 1974 BMW 1502 will have an easier job in driving up hills or pulling heavy equipment than 2006 Daihatsu Sirion.
Compare all specifications:
| 1974 BMW 1502 | 2006 Daihatsu Sirion | |
| Make | BMW | Daihatsu |
| Model | 1502 | Sirion |
| Year Released | 1974 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 1574 cc | 1298 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 83 HP | 86 HP |
| Engine RPM | 5800 RPM | 6000 RPM |
| Torque | 130 Nm | 120 Nm |
| Torque RPM | 3500 RPM | 3200 RPM |
| Engine Bore Size | 84 mm | 72.1 mm |
| Engine Stroke Size | 71 mm | 79.7 mm |
| Engine Compression Ratio | 8.6:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 930 kg | 905 kg |
| Vehicle Length | 4240 mm | 3400 mm |
| Vehicle Height | 1420 mm | 1250 mm |
| Wheelbase Size | 2510 mm | 2440 mm |
| Fuel Tank Capacity | 50 L | 40 L |
