1975 Alfa Romeo Junior vs. 2008 Daihatsu Sirion
To start off, 2008 Daihatsu Sirion is newer by 33 year(s). Which means there will be less support and parts availability for 1975 Alfa Romeo Junior. In addition, the cost of maintenance, including insurance, on 1975 Alfa Romeo Junior would be higher. At 1,568 cc (4 cylinders), 1975 Alfa Romeo Junior is equipped with a bigger engine. In terms of performance, 1975 Alfa Romeo Junior (108 HP @ 6000 RPM) has 7 more horse power than 2008 Daihatsu Sirion. (101 HP @ 3600 RPM). In normal driving conditions, 1975 Alfa Romeo Junior should accelerate faster than 2008 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 1975 Alfa Romeo Junior weights approximately 90 kg more than 2008 Daihatsu Sirion. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1975 Alfa Romeo Junior is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1975 Alfa Romeo Junior. However, in wet, icy, snow, or gravel driving conditions, 2008 Daihatsu Sirion, being front wheel drive (FWD), will offer much better control with better grip. 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, both vehicles can yield 140 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles.
Compare all specifications:
| 1975 Alfa Romeo Junior | 2008 Daihatsu Sirion | |
| Make | Alfa Romeo | Daihatsu |
| Model | Junior | Sirion |
| Year Released | 1975 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 1568 cc | 1298 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 108 HP | 101 HP |
| Engine RPM | 6000 RPM | 3600 RPM |
| Torque | 140 Nm | 140 Nm |
| Torque RPM | 2800 RPM | 4600 RPM |
| Engine Bore Size | 78 mm | 72 mm |
| Engine Stroke Size | 82 mm | 79.7 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1030 kg | 940 kg |
| Vehicle Length | 3910 mm | 3610 mm |
| Vehicle Width | 1560 mm | 1560 mm |
| Vehicle Height | 1290 mm | 1670 mm |
| Wheelbase Size | 2260 mm | 2440 mm |
