1957 AC Ace vs. 1965 Innocenti A40S
To start off, 1965 Innocenti A40S is newer by 8 year(s). Which means there will be less support and parts availability for 1957 AC Ace. In addition, the cost of maintenance, including insurance, on 1957 AC Ace would be higher. At 1,971 cc (6 cylinders), 1957 AC Ace is equipped with a bigger engine. In terms of performance, 1957 AC Ace (123 HP @ 6000 RPM) has 80 more horse power than 1965 Innocenti A40S. (43 HP @ 5100 RPM). In normal driving conditions, 1957 AC Ace should accelerate faster than 1965 Innocenti A40S. With that said, vehicle weight also plays an important factor in acceleration. 1957 AC Ace weights approximately 94 kg more than 1965 Innocenti A40S. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1957 AC Ace (167 Nm @ 4500 RPM) has 86 more torque (in Nm) than 1965 Innocenti A40S. (81 Nm @ 2500 RPM). This means 1957 AC Ace will have an easier job in driving up hills or pulling heavy equipment than 1965 Innocenti A40S.
Compare all specifications:
| 1957 AC Ace | 1965 Innocenti A40S | |
| Make | AC | Innocenti |
| Model | Ace | A40S |
| Year Released | 1957 | 1965 |
| Body Type | Roadster | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1971 cc | 1098 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 123 HP | 43 HP |
| Engine RPM | 6000 RPM | 5100 RPM |
| Torque | 167 Nm | 81 Nm |
| Torque RPM | 4500 RPM | 2500 RPM |
| Engine Compression Ratio | 9.0:1 | 9.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 894 kg | 800 kg |
| Vehicle Length | 3850 mm | 3720 mm |
| Vehicle Width | 1520 mm | 1520 mm |
| Vehicle Height | 1250 mm | 1450 mm |
| Wheelbase Size | 2290 mm | 2220 mm |
