1979 Alfa Romeo Alfa 6 vs. 1999 Daihatsu Sirion
To start off, 1999 Daihatsu Sirion is newer by 20 year(s). Which means there will be less support and parts availability for 1979 Alfa Romeo Alfa 6. In addition, the cost of maintenance, including insurance, on 1979 Alfa Romeo Alfa 6 would be higher. At 2,492 cc (6 cylinders), 1979 Alfa Romeo Alfa 6 is equipped with a bigger engine. In terms of performance, 1979 Alfa Romeo Alfa 6 (156 HP @ 5600 RPM) has 84 more horse power than 1999 Daihatsu Sirion. (72 HP @ 5200 RPM). In normal driving conditions, 1979 Alfa Romeo Alfa 6 should accelerate faster than 1999 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 1979 Alfa Romeo Alfa 6 weights approximately 620 kg more than 1999 Daihatsu Sirion. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1979 Alfa Romeo Alfa 6 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 1979 Alfa Romeo Alfa 6. However, in wet, icy, snow, or gravel driving conditions, 1999 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, 1979 Alfa Romeo Alfa 6 (216 Nm @ 4000 RPM) has 115 more torque (in Nm) than 1999 Daihatsu Sirion. (101 Nm @ 3600 RPM). This means 1979 Alfa Romeo Alfa 6 will have an easier job in driving up hills or pulling heavy equipment than 1999 Daihatsu Sirion.
Compare all specifications:
| 1979 Alfa Romeo Alfa 6 | 1999 Daihatsu Sirion | |
| Make | Alfa Romeo | Daihatsu |
| Model | Alfa 6 | Sirion |
| Year Released | 1979 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 1298 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 156 HP | 72 HP |
| Engine RPM | 5600 RPM | 5200 RPM |
| Torque | 216 Nm | 101 Nm |
| Torque RPM | 4000 RPM | 3600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1470 kg | 850 kg |
| Vehicle Length | 4770 mm | 3680 mm |
| Vehicle Width | 1690 mm | 1600 mm |
| Vehicle Height | 1430 mm | 1460 mm |
| Wheelbase Size | 2460 mm | 2350 mm |
