1963 AC Greyhound vs. 2009 Daihatsu Sirion
To start off, 2009 Daihatsu Sirion is newer by 46 year(s). Which means there will be less support and parts availability for 1963 AC Greyhound. In addition, the cost of maintenance, including insurance, on 1963 AC Greyhound would be higher. At 1,971 cc (6 cylinders), 1963 AC Greyhound is equipped with a bigger engine. In terms of performance, 1963 AC Greyhound (123 HP @ 5750 RPM) has 21 more horse power than 2009 Daihatsu Sirion. (102 HP @ 6000 RPM). In normal driving conditions, 1963 AC Greyhound should accelerate faster than 2009 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 1963 AC Greyhound weights approximately 110 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, 1963 AC Greyhound (179 Nm) has 47 more torque (in Nm) than 2009 Daihatsu Sirion. (132 Nm). This means 1963 AC Greyhound will have an easier job in driving up hills or pulling heavy equipment than 2009 Daihatsu Sirion.
Compare all specifications:
| 1963 AC Greyhound | 2009 Daihatsu Sirion | |
| Make | AC | Daihatsu |
| Model | Greyhound | Sirion |
| Year Released | 1963 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 1971 cc | 1495 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 123 HP | 102 HP |
| Engine RPM | 5750 RPM | 6000 RPM |
| Torque | 179 Nm | 132 Nm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1015 kg | 905 kg |
| Vehicle Length | 4580 mm | 3640 mm |
| Vehicle Width | 1670 mm | 1670 mm |
| Vehicle Height | 1340 mm | 1560 mm |
| Wheelbase Size | 2550 mm | 2440 mm |
| Fuel Tank Capacity | 54 L | 40 L |
