1997 Alfa Romeo 155 vs. 2008 Daihatsu Sirion
To start off, 2008 Daihatsu Sirion is newer by 11 year(s). Which means there will be less support and parts availability for 1997 Alfa Romeo 155. In addition, the cost of maintenance, including insurance, on 1997 Alfa Romeo 155 would be higher. At 2,499 cc (6 cylinders), 1997 Alfa Romeo 155 is equipped with a bigger engine. In terms of performance, 1997 Alfa Romeo 155 (493 HP @ 11700 RPM) has 403 more horse power than 2008 Daihatsu Sirion. (90 HP @ 6000 RPM). In normal driving conditions, 1997 Alfa Romeo 155 should accelerate faster than 2008 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 1997 Alfa Romeo 155 weights approximately 60 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.
Let's talk about torque, 1997 Alfa Romeo 155 (300 Nm @ 9500 RPM) has 180 more torque (in Nm) than 2008 Daihatsu Sirion. (120 Nm @ 4400 RPM). This means 1997 Alfa Romeo 155 will have an easier job in driving up hills or pulling heavy equipment than 2008 Daihatsu Sirion.
Compare all specifications:
| 1997 Alfa Romeo 155 | 2008 Daihatsu Sirion | |
| Make | Alfa Romeo | Daihatsu |
| Model | 155 | Sirion |
| Year Released | 1997 | 2008 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2499 cc | 1298 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 493 HP | 90 HP |
| Engine RPM | 11700 RPM | 6000 RPM |
| Torque | 300 Nm | 120 Nm |
| Torque RPM | 9500 RPM | 4400 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1040 kg | 980 kg |
| Vehicle Width | 1750 mm | 1670 mm |
