1957 AC Ace vs. 1976 Citroen CX
To start off, 1976 Citroen CX is newer by 19 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 1,985 cc (4 cylinders), 1976 Citroen CX is equipped with a bigger engine. In terms of performance, 1957 AC Ace (123 HP @ 6000 RPM) has 17 more horse power than 1976 Citroen CX. (106 HP @ 5500 RPM). In normal driving conditions, 1957 AC Ace should accelerate faster than 1976 Citroen CX. With that said, vehicle weight also plays an important factor in acceleration. 1976 Citroen CX weights approximately 371 kg more than 1957 AC Ace.
Let's talk about torque, 1957 AC Ace (167 Nm @ 4500 RPM) has 6 more torque (in Nm) than 1976 Citroen CX. (161 Nm @ 3000 RPM). This means 1957 AC Ace will have an easier job in driving up hills or pulling heavy equipment than 1976 Citroen CX.
Compare all specifications:
| 1957 AC Ace | 1976 Citroen CX | |
| Make | AC | Citroen |
| Model | Ace | CX |
| Year Released | 1957 | 1976 |
| Engine Position | Front | Front |
| Engine Size | 1971 cc | 1985 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 123 HP | 106 HP |
| Engine RPM | 6000 RPM | 5500 RPM |
| Torque | 167 Nm | 161 Nm |
| Torque RPM | 4500 RPM | 3000 RPM |
| Engine Compression Ratio | 9.0:1 | 9.3:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 894 kg | 1265 kg |
| Vehicle Length | 3850 mm | 4670 mm |
| Vehicle Width | 1520 mm | 1770 mm |
| Vehicle Height | 1250 mm | 1370 mm |
| Wheelbase Size | 2290 mm | 2850 mm |
| Fuel Tank Capacity | 59 L | 68 L |
