1967 Alfa Romeo Spider vs. 2009 Daihatsu Sirion
To start off, 2009 Daihatsu Sirion is newer by 42 year(s). Which means there will be less support and parts availability for 1967 Alfa Romeo Spider. In addition, the cost of maintenance, including insurance, on 1967 Alfa Romeo Spider would be higher. At 2,582 cc (6 cylinders), 1967 Alfa Romeo Spider is equipped with a bigger engine. In terms of performance, 1967 Alfa Romeo Spider (163 HP @ 5900 RPM) has 61 more horse power than 2009 Daihatsu Sirion. (102 HP @ 6000 RPM). In normal driving conditions, 1967 Alfa Romeo Spider should accelerate faster than 2009 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 1967 Alfa Romeo Spider weights approximately 424 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.
Let's talk about torque, 1967 Alfa Romeo Spider (220 Nm @ 4000 RPM) has 82 more torque (in Nm) than 2009 Daihatsu Sirion. (138 Nm @ 4400 RPM). This means 1967 Alfa Romeo Spider will have an easier job in driving up hills or pulling heavy equipment than 2009 Daihatsu Sirion.
Compare all specifications:
| 1967 Alfa Romeo Spider | 2009 Daihatsu Sirion | |
| Make | Alfa Romeo | Daihatsu |
| Model | Spider | Sirion |
| Year Released | 1967 | 2009 |
| Body Type | Roadster | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2582 cc | 1495 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 163 HP | 102 HP |
| Engine RPM | 5900 RPM | 6000 RPM |
| Torque | 220 Nm | 138 Nm |
| Torque RPM | 4000 RPM | 4400 RPM |
| Engine Bore Size | 83 mm | 72 mm |
| Engine Stroke Size | 79.6 mm | 91.8 mm |
| Engine Compression Ratio | 9.0:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1330 kg | 906 kg |
| Vehicle Length | 4510 mm | 3640 mm |
| Vehicle Width | 1610 mm | 1670 mm |
| Vehicle Height | 1390 mm | 1560 mm |
| Wheelbase Size | 2510 mm | 2440 mm |
| Fuel Tank Capacity | 47 L | 40 L |
