1975 Alfa Romeo Spider vs. 1999 Daihatsu Sirion
To start off, 1999 Daihatsu Sirion is newer by 24 year(s). Which means there will be less support and parts availability for 1975 Alfa Romeo Spider. In addition, the cost of maintenance, including insurance, on 1975 Alfa Romeo Spider would be higher. At 1,287 cc (4 cylinders), 1975 Alfa Romeo Spider is equipped with a bigger engine. In terms of performance, 1975 Alfa Romeo Spider (89 HP @ 6000 RPM) has 36 more horse power than 1999 Daihatsu Sirion. (53 HP @ 5200 RPM). In normal driving conditions, 1975 Alfa Romeo Spider should accelerate faster than 1999 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 1975 Alfa Romeo Spider weights approximately 90 kg more than 1999 Daihatsu Sirion. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1999 Daihatsu Sirion is four wheel drive (4WD), it will have significant more traction and grip than 1975 Alfa Romeo Spider. In wet, icy, snow, or gravel driving conditions, 1999 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, 1975 Alfa Romeo Spider (121 Nm) has 33 more torque (in Nm) than 1999 Daihatsu Sirion. (88 Nm). This means 1975 Alfa Romeo Spider will have an easier job in driving up hills or pulling heavy equipment than 1999 Daihatsu Sirion.
Compare all specifications:
| 1975 Alfa Romeo Spider | 1999 Daihatsu Sirion | |
| Make | Alfa Romeo | Daihatsu |
| Model | Spider | Sirion |
| Year Released | 1975 | 1999 |
| Body Type | Roadster | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1287 cc | 988 cc |
| Engine Cylinders | 4 cylinders | 3 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 89 HP | 53 HP |
| Engine RPM | 6000 RPM | 5200 RPM |
| Torque | 121 Nm | 88 Nm |
| Engine Bore Size | 80 mm | 71.9 mm |
| Engine Stroke Size | 67.5 mm | 81 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 980 kg | 890 kg |
| Vehicle Length | 4130 mm | 3680 mm |
| Vehicle Width | 1640 mm | 1600 mm |
| Vehicle Height | 1300 mm | 1460 mm |
| Wheelbase Size | 2260 mm | 2350 mm |
