1973 BMW 3 vs. 2009 Daihatsu Sirion
To start off, 2009 Daihatsu Sirion is newer by 36 year(s). Which means there will be less support and parts availability for 1973 BMW 3. In addition, the cost of maintenance, including insurance, on 1973 BMW 3 would be higher. At 3,153 cc (6 cylinders), 1973 BMW 3 is equipped with a bigger engine. In terms of performance, 1973 BMW 3 (203 HP @ 5600 RPM) has 117 more horse power than 2009 Daihatsu Sirion. (86 HP @ 6000 RPM). In normal driving conditions, 1973 BMW 3 should accelerate faster than 2009 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 1973 BMW 3 weights approximately 330 kg more than 2009 Daihatsu Sirion. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Daihatsu Sirion is four wheel drive (4WD), it will have significant more traction and grip than 1973 BMW 3. In wet, icy, snow, or gravel driving conditions, 2009 Daihatsu Sirion will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 1973 BMW 3 (287 Nm @ 4200 RPM) has 167 more torque (in Nm) than 2009 Daihatsu Sirion. (120 Nm @ 3200 RPM). This means 1973 BMW 3 will have an easier job in driving up hills or pulling heavy equipment than 2009 Daihatsu Sirion. 2009 Daihatsu Sirion has automatic transmission and 1973 BMW 3 has manual transmission. 1973 BMW 3 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Daihatsu Sirion will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1973 BMW 3 | 2009 Daihatsu Sirion | |
| Make | BMW | Daihatsu |
| Model | 3 | Sirion |
| Year Released | 1973 | 2009 |
| Body Type | Coupe | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3153 cc | 1298 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 203 HP | 86 HP |
| Engine RPM | 5600 RPM | 6000 RPM |
| Torque | 287 Nm | 120 Nm |
| Torque RPM | 4200 RPM | 3200 RPM |
| Top Speed | 222 km/hour | 170 km/hour |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1270 kg | 940 kg |
| Vehicle Length | 4640 mm | 3610 mm |
| Vehicle Width | 1740 mm | 1560 mm |
| Vehicle Height | 1380 mm | 1670 mm |
| Wheelbase Size | 2510 mm | 2440 mm |
| Fuel Tank Capacity | 70 L | 40 L |
