1998 Alfa Romeo 166 vs. 2009 Daihatsu Sirion
To start off, 2009 Daihatsu Sirion is newer by 11 year(s). Which means there will be less support and parts availability for 1998 Alfa Romeo 166. In addition, the cost of maintenance, including insurance, on 1998 Alfa Romeo 166 would be higher. At 1,970 cc (4 cylinders), 1998 Alfa Romeo 166 is equipped with a bigger engine. In terms of performance, 1998 Alfa Romeo 166 (155 HP @ 6400 RPM) has 54 more horse power than 2009 Daihatsu Sirion. (101 HP @ 3600 RPM). In normal driving conditions, 1998 Alfa Romeo 166 should accelerate faster than 2009 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 1998 Alfa Romeo 166 weights approximately 553 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, 1998 Alfa Romeo 166 (187 Nm @ 2800 RPM) has 47 more torque (in Nm) than 2009 Daihatsu Sirion. (140 Nm @ 4600 RPM). This means 1998 Alfa Romeo 166 will have an easier job in driving up hills or pulling heavy equipment than 2009 Daihatsu Sirion.
Compare all specifications:
| 1998 Alfa Romeo 166 | 2009 Daihatsu Sirion | |
| Make | Alfa Romeo | Daihatsu |
| Model | 166 | Sirion |
| Year Released | 1998 | 2009 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 1298 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 155 HP | 101 HP |
| Engine RPM | 6400 RPM | 3600 RPM |
| Torque | 187 Nm | 140 Nm |
| Torque RPM | 2800 RPM | 4600 RPM |
| Engine Bore Size | 83.1 mm | 72 mm |
| Engine Stroke Size | 91 mm | 79.7 mm |
| Engine Compression Ratio | 10.0:1 | 10.0:1 |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1495 kg | 942 kg |
| Vehicle Length | 4730 mm | 3610 mm |
| Vehicle Width | 1820 mm | 1560 mm |
| Vehicle Height | 1420 mm | 1670 mm |
| Wheelbase Size | 2710 mm | 2440 mm |
| Fuel Tank Capacity | 72 L | 40 L |
