1958 AC Ace vs. 2005 Daihatsu Sirion
To start off, 2005 Daihatsu Sirion is newer by 47 year(s). Which means there will be less support and parts availability for 1958 AC Ace. In addition, the cost of maintenance, including insurance, on 1958 AC Ace would be higher. At 1,971 cc (6 cylinders), 1958 AC Ace is equipped with a bigger engine. In terms of performance, 1958 AC Ace (125 HP @ 6000 RPM) has 56 more horse power than 2005 Daihatsu Sirion. (69 HP @ 6000 RPM). In normal driving conditions, 1958 AC Ace should accelerate faster than 2005 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 1958 AC Ace weights approximately 4 kg more than 2005 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, 1958 AC Ace (167 Nm @ 4500 RPM) has 77 more torque (in Nm) than 2005 Daihatsu Sirion. (90 Nm @ 3600 RPM). This means 1958 AC Ace will have an easier job in driving up hills or pulling heavy equipment than 2005 Daihatsu Sirion.
Compare all specifications:
| 1958 AC Ace | 2005 Daihatsu Sirion | |
| Make | AC | Daihatsu |
| Model | Ace | Sirion |
| Year Released | 1958 | 2005 |
| Body Type | Roadster | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1971 cc | 987 cc |
| Engine Cylinders | 6 cylinders | 3 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 125 HP | 69 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 167 Nm | 90 Nm |
| Torque RPM | 4500 RPM | 3600 RPM |
| Engine Bore Size | 66 mm | 71 mm |
| Engine Stroke Size | 96 mm | 84 mm |
| Engine Compression Ratio | 9.0:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 894 kg | 890 kg |
| Vehicle Length | 4010 mm | 3610 mm |
| Vehicle Width | 1520 mm | 1670 mm |
| Vehicle Height | 1270 mm | 1560 mm |
| Wheelbase Size | 2290 mm | 2380 mm |
| Fuel Tank Capacity | 59 L | 40 L |
