1956 AC Ace vs. 2011 Fiat Siena
To start off, 2011 Fiat Siena is newer by 55 year(s). Which means there will be less support and parts availability for 1956 AC Ace. In addition, the cost of maintenance, including insurance, on 1956 AC Ace would be higher. At 1,971 cc (6 cylinders), 1956 AC Ace is equipped with a bigger engine. In terms of performance, 1956 AC Ace (123 HP @ 6000 RPM) has 17 more horse power than 2011 Fiat Siena. (106 HP @ 5500 RPM). In normal driving conditions, 1956 AC Ace should accelerate faster than 2011 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2011 Fiat Siena weights approximately 201 kg more than 1956 AC Ace.
Let's talk about torque, 1956 AC Ace (167 Nm) has 27 more torque (in Nm) than 2011 Fiat Siena. (140 Nm). This means 1956 AC Ace will have an easier job in driving up hills or pulling heavy equipment than 2011 Fiat Siena.
Compare all specifications:
| 1956 AC Ace | 2011 Fiat Siena | |
| Make | AC | Fiat |
| Model | Ace | Siena |
| Year Released | 1956 | 2011 |
| Body Type | Roadster | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1971 cc | 1581 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 123 HP | 106 HP |
| Engine RPM | 6000 RPM | 5500 RPM |
| Torque | 167 Nm | 140 Nm |
| Engine Bore Size | 66 mm | 86.5 mm |
| Engine Stroke Size | 96 mm | 67.4 mm |
| Fuel Type | Gasoline | Gasoline |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 894 kg | 1095 kg |
| Vehicle Length | 3850 mm | 3550 mm |
| Vehicle Width | 1520 mm | 1640 mm |
| Vehicle Height | 1250 mm | 1490 mm |
| Wheelbase Size | 2290 mm | 2370 mm |
| Fuel Tank Capacity | 59 L | 47 L |
