2002 Alfa Romeo 156 vs. 2009 Daihatsu Sirion
To start off, 2009 Daihatsu Sirion is newer by 7 year(s). Which means there will be less support and parts availability for 2002 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2002 Alfa Romeo 156 would be higher. At 2,490 cc (5 cylinders), 2002 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2002 Alfa Romeo 156 (148 HP @ 4000 RPM) has 47 more horse power than 2009 Daihatsu Sirion. (101 HP @ 3600 RPM). In normal driving conditions, 2002 Alfa Romeo 156 should accelerate faster than 2009 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2002 Alfa Romeo 156 weights approximately 443 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.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 2002 Alfa Romeo 156 (305 Nm @ 1800 RPM) has 165 more torque (in Nm) than 2009 Daihatsu Sirion. (140 Nm @ 4600 RPM). This means 2002 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 2009 Daihatsu Sirion.
Compare all specifications:
| 2002 Alfa Romeo 156 | 2009 Daihatsu Sirion | |
| Make | Alfa Romeo | Daihatsu |
| Model | 156 | Sirion |
| Year Released | 2002 | 2009 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2490 cc | 1298 cc |
| Engine Cylinders | 5 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 148 HP | 101 HP |
| Engine RPM | 4000 RPM | 3600 RPM |
| Torque | 305 Nm | 140 Nm |
| Torque RPM | 1800 RPM | 4600 RPM |
| Engine Bore Size | 82 mm | 72 mm |
| Engine Stroke Size | 90.4 mm | 79.7 mm |
| Engine Compression Ratio | 18.5:1 | 10.0:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1385 kg | 942 kg |
| Vehicle Length | 4440 mm | 3610 mm |
| Vehicle Width | 1750 mm | 1560 mm |
| Vehicle Height | 1390 mm | 1670 mm |
| Wheelbase Size | 2610 mm | 2440 mm |
| Fuel Tank Capacity | 63 L | 40 L |
