1970 Alfa Romeo Junior vs. 2009 Daihatsu Sirion
To start off, 2009 Daihatsu Sirion is newer by 39 year(s). Which means there will be less support and parts availability for 1970 Alfa Romeo Junior. In addition, the cost of maintenance, including insurance, on 1970 Alfa Romeo Junior would be higher. At 1,495 cc (4 cylinders), 2009 Daihatsu Sirion is equipped with a bigger engine. In terms of performance, 2009 Daihatsu Sirion (102 HP @ 6000 RPM) has 16 more horse power than 1970 Alfa Romeo Junior. (86 HP @ 6000 RPM) In normal driving conditions, 2009 Daihatsu Sirion should accelerate faster than 1970 Alfa Romeo Junior. With that said, vehicle weight also plays an important factor in acceleration. 1970 Alfa Romeo Junior weights approximately 64 kg more than 2009 Daihatsu Sirion.
Because 2009 Daihatsu Sirion is four wheel drive (4WD), it will have significant more traction and grip than 1970 Alfa Romeo Junior. 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, 2009 Daihatsu Sirion (138 Nm @ 4400 RPM) has 23 more torque (in Nm) than 1970 Alfa Romeo Junior. (115 Nm @ 3200 RPM). This means 2009 Daihatsu Sirion will have an easier job in driving up hills or pulling heavy equipment than 1970 Alfa Romeo Junior. 2009 Daihatsu Sirion has automatic transmission and 1970 Alfa Romeo Junior has manual transmission. 1970 Alfa Romeo Junior 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:
| 1970 Alfa Romeo Junior | 2009 Daihatsu Sirion | |
| Make | Alfa Romeo | Daihatsu |
| Model | Junior | Sirion |
| Year Released | 1970 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 1290 cc | 1495 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 86 HP | 102 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 115 Nm | 138 Nm |
| Torque RPM | 3200 RPM | 4400 RPM |
| Engine Bore Size | 74 mm | 72 mm |
| Engine Stroke Size | 75 mm | 91.8 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 970 kg | 906 kg |
| Vehicle Length | 3910 mm | 3640 mm |
| Vehicle Width | 1560 mm | 1670 mm |
| Vehicle Height | 1290 mm | 1560 mm |
| Wheelbase Size | 2260 mm | 2440 mm |
