1951 Buick 40 vs. 1989 Citroen XM
To start off, 1989 Citroen XM is newer by 38 year(s). Which means there will be less support and parts availability for 1951 Buick 40. In addition, the cost of maintenance, including insurance, on 1951 Buick 40 would be higher. At 4,066 cc (8 cylinders), 1951 Buick 40 is equipped with a bigger engine. In terms of performance, 1989 Citroen XM (141 HP @ 4600 RPM) has 22 more horse power than 1951 Buick 40. (119 HP @ 3600 RPM) In normal driving conditions, 1989 Citroen XM should accelerate faster than 1951 Buick 40. With that said, vehicle weight also plays an important factor in acceleration. 1951 Buick 40 weights approximately 135 kg more than 1989 Citroen XM.
Because 1951 Buick 40 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 1951 Buick 40. 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, 1951 Buick 40 (292 Nm @ 2000 RPM) has 67 more torque (in Nm) than 1989 Citroen XM. (225 Nm @ 2200 RPM). This means 1951 Buick 40 will have an easier job in driving up hills or pulling heavy equipment than 1989 Citroen XM.
Compare all specifications:
| 1951 Buick 40 | 1989 Citroen XM | |
| Make | Buick | Citroen |
| Model | 40 | XM |
| Year Released | 1951 | 1989 |
| Engine Position | Front | Front |
| Engine Size | 4066 cc | 1905 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 119 HP | 141 HP |
| Engine RPM | 3600 RPM | 4600 RPM |
| Torque | 292 Nm | 225 Nm |
| Torque RPM | 2000 RPM | 2200 RPM |
| Engine Bore Size | 78.5 mm | 86 mm |
| Engine Stroke Size | 104.8 mm | 86 mm |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1635 kg | 1500 kg |
| Vehicle Width | 1950 mm | 1800 mm |
| Wheelbase Size | 3090 mm | 2860 mm |
