1972 Opel Commodore vs. 1973 Reliant Rebel
To start off, 1973 Reliant Rebel is newer by 1 year(s). Which means there will be less support and parts availability for 1972 Opel Commodore. In addition, the cost of maintenance, including insurance, on 1972 Opel Commodore would be higher. At 2,490 cc (6 cylinders), 1972 Opel Commodore is equipped with a bigger engine. In terms of performance, 1972 Opel Commodore (114 HP @ 5200 RPM) has 83 more horse power than 1973 Reliant Rebel. (31 HP @ 5000 RPM). In normal driving conditions, 1972 Opel Commodore should accelerate faster than 1973 Reliant Rebel. With that said, vehicle weight also plays an important factor in acceleration. 1972 Opel Commodore weights approximately 595 kg more than 1973 Reliant Rebel. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 1972 Opel Commodore (177 Nm @ 3800 RPM) has 125 more torque (in Nm) than 1973 Reliant Rebel. (52 Nm @ 3000 RPM). This means 1972 Opel Commodore will have an easier job in driving up hills or pulling heavy equipment than 1973 Reliant Rebel.
Compare all specifications:
| 1972 Opel Commodore | 1973 Reliant Rebel | |
| Make | Opel | Reliant |
| Model | Commodore | Rebel |
| Year Released | 1972 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 2490 cc | 701 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 114 HP | 31 HP |
| Engine RPM | 5200 RPM | 5000 RPM |
| Torque | 177 Nm | 52 Nm |
| Torque RPM | 3800 RPM | 3000 RPM |
| Engine Bore Size | 87 mm | 60.5 mm |
| Engine Stroke Size | 69.8 mm | 61 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1170 kg | 575 kg |
| Vehicle Length | 4620 mm | 3510 mm |
| Vehicle Width | 1740 mm | 1480 mm |
| Vehicle Height | 1430 mm | 1420 mm |
| Wheelbase Size | 2670 mm | 2270 mm |
