2006 Alfa Romeo 159 vs. 2006 Daihatsu Sirion
To start off, both 2006 Alfa Romeo 159 and 2006 Daihatsu Sirion were released in the same year (2006). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,385 cc (5 cylinders), 2006 Alfa Romeo 159 is equipped with a bigger engine. In terms of performance, 2006 Alfa Romeo 159 (197 HP @ 4000 RPM) has 111 more horse power than 2006 Daihatsu Sirion. (86 HP @ 6000 RPM). In normal driving conditions, 2006 Alfa Romeo 159 should accelerate faster than 2006 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2006 Alfa Romeo 159 weights approximately 1015 kg more than 2006 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, 2006 Alfa Romeo 159 (400 Nm @ 2000 RPM) has 280 more torque (in Nm) than 2006 Daihatsu Sirion. (120 Nm @ 3200 RPM). This means 2006 Alfa Romeo 159 will have an easier job in driving up hills or pulling heavy equipment than 2006 Daihatsu Sirion.
Compare all specifications:
| 2006 Alfa Romeo 159 | 2006 Daihatsu Sirion | |
| Make | Alfa Romeo | Daihatsu |
| Model | 159 | Sirion |
| Year Released | 2006 | 2006 |
| Body Type | Station Wagon | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2385 cc | 1298 cc |
| Engine Cylinders | 5 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 197 HP | 86 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 400 Nm | 120 Nm |
| Torque RPM | 2000 RPM | 3200 RPM |
| Engine Bore Size | 82 mm | 72 mm |
| Engine Stroke Size | 90.4 mm | 79.7 mm |
| Engine Compression Ratio | 17.0:1 | 10.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 226 km/hour | 180 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1755 kg | 740 kg |
| Vehicle Length | 4670 mm | 3400 mm |
| Vehicle Height | 1460 mm | 1250 mm |
| Wheelbase Size | 2710 mm | 2440 mm |
| Fuel Consumption Overall | 7 L/100km | 5 L/100km |
| Fuel Tank Capacity | 70 L | 40 L |
