1991 Alfa Romeo 75 vs. 2006 Daihatsu Sirion
To start off, 2006 Daihatsu Sirion is newer by 15 year(s). Which means there will be less support and parts availability for 1991 Alfa Romeo 75. In addition, the cost of maintenance, including insurance, on 1991 Alfa Romeo 75 would be higher. At 1,567 cc (4 cylinders), 1991 Alfa Romeo 75 is equipped with a bigger engine. In terms of performance, 1991 Alfa Romeo 75 (109 HP @ 6000 RPM) has 23 more horse power than 2006 Daihatsu Sirion. (86 HP @ 6000 RPM). In normal driving conditions, 1991 Alfa Romeo 75 should accelerate faster than 2006 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 1991 Alfa Romeo 75 weights approximately 320 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.
Because 1991 Alfa Romeo 75 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1991 Alfa Romeo 75. However, in wet, icy, snow, or gravel driving conditions, 2006 Daihatsu Sirion, being front wheel drive (FWD), will offer much better control with better grip. 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, 1991 Alfa Romeo 75 (149 Nm @ 4000 RPM) has 29 more torque (in Nm) than 2006 Daihatsu Sirion. (120 Nm @ 3200 RPM). This means 1991 Alfa Romeo 75 will have an easier job in driving up hills or pulling heavy equipment than 2006 Daihatsu Sirion.
Compare all specifications:
| 1991 Alfa Romeo 75 | 2006 Daihatsu Sirion | |
| Make | Alfa Romeo | Daihatsu |
| Model | 75 | Sirion |
| Year Released | 1991 | 2006 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1567 cc | 1298 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 109 HP | 86 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 149 Nm | 120 Nm |
| Torque RPM | 4000 RPM | 3200 RPM |
| Engine Bore Size | 78 mm | 72 mm |
| Engine Stroke Size | 82 mm | 79.7 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1060 kg | 740 kg |
| Vehicle Length | 4340 mm | 3400 mm |
| Vehicle Height | 1410 mm | 1250 mm |
| Wheelbase Size | 2520 mm | 2440 mm |
| Fuel Tank Capacity | 49 L | 40 L |
