1986 Opel Senator vs. 1975 Sunbeam Rapier
To start off, 1986 Opel Senator is newer by 11 year(s). Which means there will be less support and parts availability for 1975 Sunbeam Rapier. In addition, the cost of maintenance, including insurance, on 1975 Sunbeam Rapier would be higher. At 2,196 cc (4 cylinders), 1986 Opel Senator is equipped with a bigger engine. In terms of performance, 1986 Opel Senator (114 HP @ 4800 RPM) has 35 more horse power than 1975 Sunbeam Rapier. (79 HP @ 5200 RPM). In normal driving conditions, 1986 Opel Senator should accelerate faster than 1975 Sunbeam Rapier. With that said, vehicle weight also plays an important factor in acceleration. 1986 Opel Senator weights approximately 290 kg more than 1975 Sunbeam Rapier. 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, 1986 Opel Senator (182 Nm @ 2800 RPM) has 56 more torque (in Nm) than 1975 Sunbeam Rapier. (126 Nm @ 3800 RPM). This means 1986 Opel Senator will have an easier job in driving up hills or pulling heavy equipment than 1975 Sunbeam Rapier.
Compare all specifications:
| 1986 Opel Senator | 1975 Sunbeam Rapier | |
| Make | Opel | Sunbeam |
| Model | Senator | Rapier |
| Year Released | 1986 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 2196 cc | 1725 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 114 HP | 79 HP |
| Engine RPM | 4800 RPM | 5200 RPM |
| Torque | 182 Nm | 126 Nm |
| Torque RPM | 2800 RPM | 3800 RPM |
| Engine Bore Size | 95 mm | 81.5 mm |
| Engine Stroke Size | 77.5 mm | 82.7 mm |
| Engine Compression Ratio | 9.4:1 | 9.2:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1320 kg | 1030 kg |
| Vehicle Length | 4820 mm | 4440 mm |
| Vehicle Width | 1730 mm | 1670 mm |
| Vehicle Height | 1420 mm | 1390 mm |
| Wheelbase Size | 2690 mm | 2510 mm |
| Fuel Tank Capacity | 70 L | 68 L |
