1961 Austin A 99 vs. 2009 Daihatsu Sirion
To start off, 2009 Daihatsu Sirion is newer by 48 year(s). Which means there will be less support and parts availability for 1961 Austin A 99. In addition, the cost of maintenance, including insurance, on 1961 Austin A 99 would be higher. At 2,912 cc (6 cylinders), 1961 Austin A 99 is equipped with a bigger engine. In terms of performance, 1961 Austin A 99 (107 HP @ 4750 RPM) has 5 more horse power than 2009 Daihatsu Sirion. (102 HP @ 6000 RPM). In normal driving conditions, 1961 Austin A 99 should accelerate faster than 2009 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 1961 Austin A 99 weights approximately 624 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.
Because 2009 Daihatsu Sirion is four wheel drive (4WD), it will have significant more traction and grip than 1961 Austin A 99. In wet, icy, snow, or gravel driving conditions, 2009 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, 1961 Austin A 99 (221 Nm @ 2500 RPM) has 83 more torque (in Nm) than 2009 Daihatsu Sirion. (138 Nm @ 4400 RPM). This means 1961 Austin A 99 will have an easier job in driving up hills or pulling heavy equipment than 2009 Daihatsu Sirion. 2009 Daihatsu Sirion has automatic transmission and 1961 Austin A 99 has manual transmission. 1961 Austin A 99 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Daihatsu Sirion will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1961 Austin A 99 | 2009 Daihatsu Sirion | |
| Make | Austin | Daihatsu |
| Model | A 99 | Sirion |
| Year Released | 1961 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 2912 cc | 1495 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 107 HP | 102 HP |
| Engine RPM | 4750 RPM | 6000 RPM |
| Torque | 221 Nm | 138 Nm |
| Torque RPM | 2500 RPM | 4400 RPM |
| Engine Bore Size | 83.4 mm | 72 mm |
| Engine Stroke Size | 88.9 mm | 91.8 mm |
| Engine Compression Ratio | 8.3:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 162 km/hour | 180 km/hour |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1530 kg | 906 kg |
| Vehicle Length | 4950 mm | 3640 mm |
| Vehicle Width | 1750 mm | 1670 mm |
| Vehicle Height | 1540 mm | 1560 mm |
| Wheelbase Size | 2800 mm | 2440 mm |
| Fuel Tank Capacity | 34 L | 40 L |
