2003 Alfa Romeo 156 vs. 1998 Daihatsu Sirion
To start off, 2003 Alfa Romeo 156 is newer by 5 year(s). Which means there will be less support and parts availability for 1998 Daihatsu Sirion. In addition, the cost of maintenance, including insurance, on 1998 Daihatsu Sirion would be higher. At 1,910 cc (4 cylinders), 2003 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2003 Alfa Romeo 156 (162 HP @ 6400 RPM) has 62 more horse power than 1998 Daihatsu Sirion. (100 HP @ 7000 RPM). In normal driving conditions, 2003 Alfa Romeo 156 should accelerate faster than 1998 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alfa Romeo 156 weights approximately 480 kg more than 1998 Daihatsu Sirion. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1998 Daihatsu Sirion is four wheel drive (4WD), it will have significant more traction and grip than 2003 Alfa Romeo 156. In wet, icy, snow, or gravel driving conditions, 1998 Daihatsu Sirion will offer significantly more control. 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, 2003 Alfa Romeo 156 (207 Nm @ 3250 RPM) has 87 more torque (in Nm) than 1998 Daihatsu Sirion. (120 Nm @ 4400 RPM). This means 2003 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 1998 Daihatsu Sirion.
Compare all specifications:
| 2003 Alfa Romeo 156 | 1998 Daihatsu Sirion | |
| Make | Alfa Romeo | Daihatsu |
| Model | 156 | Sirion |
| Year Released | 2003 | 1998 |
| Body Type | Station Wagon | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1910 cc | 1298 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 162 HP | 100 HP |
| Engine RPM | 6400 RPM | 7000 RPM |
| Torque | 207 Nm | 120 Nm |
| Torque RPM | 3250 RPM | 4400 RPM |
| Engine Bore Size | 83 mm | 72 mm |
| Engine Stroke Size | 91 mm | 79.7 mm |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1380 kg | 900 kg |
| Vehicle Length | 4450 mm | 3680 mm |
| Vehicle Width | 1750 mm | 1600 mm |
| Vehicle Height | 1440 mm | 1460 mm |
| Wheelbase Size | 2550 mm | 2350 mm |
| Fuel Tank Capacity | 63 L | 37 L |
