1989 Citroen XM vs. 1977 Opel Commodore
To start off, 1989 Citroen XM is newer by 12 year(s). Which means there will be less support and parts availability for 1977 Opel Commodore. In addition, the cost of maintenance, including insurance, on 1977 Opel Commodore would be higher. At 2,784 cc (6 cylinders), 1977 Opel Commodore is equipped with a bigger engine. In terms of performance, both vehicles can yield 141 horse power. So under normal driving conditions, the acceleration of both vehicles should be relatively similar. With that said, vehicle weight also plays an important factor in acceleration. 1989 Citroen XM weights approximately 215 kg more than 1977 Opel Commodore.
Because 1977 Opel Commodore 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 1977 Opel Commodore. 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 (225 Nm @ 2200 RPM) has 8 more torque (in Nm) than 1977 Opel Commodore. (217 Nm @ 3600 RPM). This means 1989 Citroen XM will have an easier job in driving up hills or pulling heavy equipment than 1977 Opel Commodore.
Compare all specifications:
| 1989 Citroen XM | 1977 Opel Commodore | |
| Make | Citroen | Opel |
| Model | XM | Commodore |
| Year Released | 1989 | 1977 |
| Engine Position | Front | Front |
| Engine Size | 1905 cc | 2784 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 141 HP | 141 HP |
| Engine RPM | 4600 RPM | 5200 RPM |
| Torque | 225 Nm | 217 Nm |
| Torque RPM | 2200 RPM | 3600 RPM |
| Engine Bore Size | 86 mm | 92 mm |
| Engine Stroke Size | 86 mm | 69.8 mm |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 1500 kg | 1285 kg |
| Vehicle Length | 4970 mm | 4620 mm |
| Vehicle Width | 1800 mm | 1730 mm |
| Vehicle Height | 1470 mm | 1430 mm |
| Wheelbase Size | 2860 mm | 2670 mm |
| Fuel Tank Capacity | 80 L | 70 L |
