1989 Citroen XM vs. 1971 Pontiac Bonneville
To start off, 1989 Citroen XM is newer by 18 year(s). Which means there will be less support and parts availability for 1971 Pontiac Bonneville. In addition, the cost of maintenance, including insurance, on 1971 Pontiac Bonneville would be higher. At 7,462 cc (8 cylinders), 1971 Pontiac Bonneville is equipped with a bigger engine. In terms of performance, 1971 Pontiac Bonneville (185 HP @ 4000 RPM) has 44 more horse power than 1989 Citroen XM. (141 HP @ 4600 RPM) In normal driving conditions, 1971 Pontiac Bonneville should accelerate faster than 1989 Citroen XM. With that said, vehicle weight also plays an important factor in acceleration. 1971 Pontiac Bonneville weights approximately 490 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 1971 Pontiac Bonneville 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 1971 Pontiac Bonneville. 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, 1971 Pontiac Bonneville (485 Nm @ 2000 RPM) has 260 more torque (in Nm) than 1989 Citroen XM. (225 Nm @ 2200 RPM). This means 1971 Pontiac Bonneville will have an easier job in driving up hills or pulling heavy equipment than 1989 Citroen XM. 1971 Pontiac Bonneville has automatic transmission and 1989 Citroen XM has manual transmission. 1989 Citroen XM will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1971 Pontiac Bonneville will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1989 Citroen XM | 1971 Pontiac Bonneville | |
| Make | Citroen | Pontiac |
| Model | XM | Bonneville |
| Year Released | 1989 | 1971 |
| Engine Position | Front | Front |
| Engine Size | 1905 cc | 7462 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 141 HP | 185 HP |
| Engine RPM | 4600 RPM | 4000 RPM |
| Torque | 225 Nm | 485 Nm |
| Torque RPM | 2200 RPM | 2000 RPM |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1500 kg | 1990 kg |
| Vehicle Length | 4970 mm | 5740 mm |
| Vehicle Width | 1800 mm | 2030 mm |
| Vehicle Height | 1470 mm | 1390 mm |
| Wheelbase Size | 2860 mm | 3210 mm |
