1959 AC Ace vs. 1989 Citroen XM
To start off, 1989 Citroen XM is newer by 30 year(s). Which means there will be less support and parts availability for 1959 AC Ace. In addition, the cost of maintenance, including insurance, on 1959 AC Ace would be higher. At 1,991 cc (6 cylinders), 1959 AC Ace is equipped with a bigger engine. In terms of performance, 1989 Citroen XM (141 HP @ 4600 RPM) has 67 more horse power than 1959 AC Ace. (74 HP @ 4500 RPM) In normal driving conditions, 1989 Citroen XM should accelerate faster than 1959 AC Ace. With that said, vehicle weight also plays an important factor in acceleration. 1989 Citroen XM weights approximately 610 kg more than 1959 AC Ace. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Compare all specifications:
| 1959 AC Ace | 1989 Citroen XM | |
| Make | AC | Citroen |
| Model | Ace | XM |
| Year Released | 1959 | 1989 |
| Engine Position | Front | Front |
| Engine Size | 1991 cc | 1905 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 74 HP | 141 HP |
| Engine RPM | 4500 RPM | 4600 RPM |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 890 kg | 1500 kg |
| Vehicle Length | 3850 mm | 4970 mm |
| Vehicle Width | 1520 mm | 1800 mm |
| Vehicle Height | 1250 mm | 1470 mm |
| Wheelbase Size | 2290 mm | 2860 mm |
| Fuel Tank Capacity | 59 L | 80 L |
