1970 AC 428 vs. 1989 Citroen XM
To start off, 1989 Citroen XM is newer by 19 year(s). Which means there will be less support and parts availability for 1970 AC 428. In addition, the cost of maintenance, including insurance, on 1970 AC 428 would be higher. At 7,003 cc (8 cylinders), 1970 AC 428 is equipped with a bigger engine. In terms of performance, 1970 AC 428 (298 HP @ 4600 RPM) has 168 more horse power than 1989 Citroen XM. (130 HP @ 5600 RPM). In normal driving conditions, 1970 AC 428 should accelerate faster than 1989 Citroen XM. With that said, vehicle weight also plays an important factor in acceleration. 1970 AC 428 weights approximately 120 kg more than 1989 Citroen XM. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1970 AC 428 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 1970 AC 428. 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, 1970 AC 428 (640 Nm @ 2800 RPM) has 463 more torque (in Nm) than 1989 Citroen XM. (177 Nm @ 4800 RPM). This means 1970 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 1989 Citroen XM.
Compare all specifications:
| 1970 AC 428 | 1989 Citroen XM | |
| Make | AC | Citroen |
| Model | 428 | XM |
| Year Released | 1970 | 1989 |
| Engine Position | Front | Front |
| Engine Size | 7003 cc | 1998 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 298 HP | 130 HP |
| Engine RPM | 4600 RPM | 5600 RPM |
| Torque | 640 Nm | 177 Nm |
| Torque RPM | 2800 RPM | 4800 RPM |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1430 kg | 1310 kg |
| Vehicle Length | 4430 mm | 4720 mm |
| Vehicle Width | 1710 mm | 1800 mm |
| Vehicle Height | 1310 mm | 1400 mm |
| Wheelbase Size | 2450 mm | 2860 mm |
