1964 Alfa Romeo Spider vs. 2006 Daihatsu Sirion
To start off, 2006 Daihatsu Sirion is newer by 42 year(s). Which means there will be less support and parts availability for 1964 Alfa Romeo Spider. In addition, the cost of maintenance, including insurance, on 1964 Alfa Romeo Spider would be higher. At 2,582 cc (6 cylinders), 1964 Alfa Romeo Spider is equipped with a bigger engine. In terms of performance, 1964 Alfa Romeo Spider (163 HP @ 5900 RPM) has 77 more horse power than 2006 Daihatsu Sirion. (86 HP @ 6000 RPM). In normal driving conditions, 1964 Alfa Romeo Spider should accelerate faster than 2006 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 1964 Alfa Romeo Spider weights approximately 500 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.
Let's talk about torque, 1964 Alfa Romeo Spider (221 Nm @ 4000 RPM) has 100 more torque (in Nm) than 2006 Daihatsu Sirion. (121 Nm @ 3200 RPM). This means 1964 Alfa Romeo Spider will have an easier job in driving up hills or pulling heavy equipment than 2006 Daihatsu Sirion.
Compare all specifications:
| 1964 Alfa Romeo Spider | 2006 Daihatsu Sirion | |
| Make | Alfa Romeo | Daihatsu |
| Model | Spider | Sirion |
| Year Released | 1964 | 2006 |
| Body Type | Roadster | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2582 cc | 1298 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 163 HP | 86 HP |
| Engine RPM | 5900 RPM | 6000 RPM |
| Torque | 221 Nm | 121 Nm |
| Torque RPM | 4000 RPM | 3200 RPM |
| Engine Bore Size | 83 mm | 72 mm |
| Engine Stroke Size | 79.6 mm | 79.7 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1330 kg | 830 kg |
| Vehicle Length | 4510 mm | 3400 mm |
| Vehicle Height | 1390 mm | 1250 mm |
| Wheelbase Size | 2510 mm | 2440 mm |
| Fuel Tank Capacity | 100 L | 40 L |
