1957 AC Ace vs. 1996 Citroen XM
To start off, 1996 Citroen XM is newer by 39 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 1,996 cc (4 cylinders), 1996 Citroen XM is equipped with a bigger engine. In terms of performance, 1957 AC Ace (123 HP @ 6000 RPM) has 8 more horse power than 1996 Citroen XM. (115 HP @ 5750 RPM). In normal driving conditions, 1957 AC Ace should accelerate faster than 1996 Citroen XM. With that said, vehicle weight also plays an important factor in acceleration. 1996 Citroen XM weights approximately 386 kg more than 1957 AC Ace.
Let's talk about torque, 1996 Citroen XM (174 Nm @ 4250 RPM) has 7 more torque (in Nm) than 1957 AC Ace. (167 Nm @ 4500 RPM). This means 1996 Citroen XM will have an easier job in driving up hills or pulling heavy equipment than 1957 AC Ace.
Compare all specifications:
| 1957 AC Ace | 1996 Citroen XM | |
| Make | AC | Citroen |
| Model | Ace | XM |
| Year Released | 1957 | 1996 |
| Engine Position | Front | Front |
| Engine Size | 1971 cc | 1996 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 123 HP | 115 HP |
| Engine RPM | 6000 RPM | 5750 RPM |
| Torque | 167 Nm | 174 Nm |
| Torque RPM | 4500 RPM | 4250 RPM |
| Engine Compression Ratio | 9.0:1 | 8.8:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 894 kg | 1280 kg |
| Vehicle Length | 3850 mm | 4720 mm |
| Vehicle Width | 1520 mm | 1800 mm |
| Vehicle Height | 1250 mm | 1400 mm |
| Wheelbase Size | 2290 mm | 2760 mm |
| Fuel Tank Capacity | 59 L | 66 L |
