1959 AC Greyhound 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 Greyhound. In addition, the cost of maintenance, including insurance, on 1959 AC Greyhound would be higher. At 2,975 cc (6 cylinders), 1989 Citroen XM is equipped with a bigger engine. In terms of performance, 1989 Citroen XM (168 HP @ 5600 RPM) has 45 more horse power than 1959 AC Greyhound. (123 HP @ 5750 RPM) In normal driving conditions, 1989 Citroen XM should accelerate faster than 1959 AC Greyhound. With that said, vehicle weight also plays an important factor in acceleration. 1989 Citroen XM weights approximately 405 kg more than 1959 AC Greyhound. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1959 AC Greyhound is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1959 AC Greyhound. However, in wet, icy, snow, or gravel driving conditions, 1989 Citroen XM, being front wheel drive (FWD), will offer much better control with better grip. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 1989 Citroen XM (235 Nm @ 4800 RPM) has 56 more torque (in Nm) than 1959 AC Greyhound. (179 Nm @ 4500 RPM). This means 1989 Citroen XM will have an easier job in driving up hills or pulling heavy equipment than 1959 AC Greyhound. 1989 Citroen XM has automatic transmission and 1959 AC Greyhound has manual transmission. 1959 AC Greyhound will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1989 Citroen XM will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1959 AC Greyhound | 1989 Citroen XM | |
| Make | AC | Citroen |
| Model | Greyhound | XM |
| Year Released | 1959 | 1989 |
| Engine Position | Front | Front |
| Engine Size | 1969 cc | 2975 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 123 HP | 168 HP |
| Engine RPM | 5750 RPM | 5600 RPM |
| Torque | 179 Nm | 235 Nm |
| Torque RPM | 4500 RPM | 4800 RPM |
| Engine Bore Size | 66 mm | 93 mm |
| Engine Stroke Size | 96 mm | 73 mm |
| Engine Compression Ratio | 9.0:1 | 9.5:1 |
| Top Speed | 167 km/hour | 220 km/hour |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1015 kg | 1420 kg |
| Vehicle Length | 4580 mm | 4720 mm |
| Vehicle Width | 1660 mm | 1800 mm |
| Vehicle Height | 1340 mm | 1400 mm |
| Wheelbase Size | 2550 mm | 2860 mm |
| Fuel Tank Capacity | 54 L | 80 L |
