1968 Plymouth GTX vs. 1975 Sunbeam Rapier
To start off, 1975 Sunbeam Rapier is newer by 7 year(s). Which means there will be less support and parts availability for 1968 Plymouth GTX. In addition, the cost of maintenance, including insurance, on 1968 Plymouth GTX would be higher. At 7,206 cc (8 cylinders), 1968 Plymouth GTX is equipped with a bigger engine. In terms of performance, 1968 Plymouth GTX (375 HP @ 4600 RPM) has 296 more horse power than 1975 Sunbeam Rapier. (79 HP @ 5200 RPM). In normal driving conditions, 1968 Plymouth GTX should accelerate faster than 1975 Sunbeam Rapier. With that said, vehicle weight also plays an important factor in acceleration. 1968 Plymouth GTX weights approximately 567 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, 1968 Plymouth GTX (651 Nm @ 3200 RPM) has 525 more torque (in Nm) than 1975 Sunbeam Rapier. (126 Nm @ 3800 RPM). This means 1968 Plymouth GTX will have an easier job in driving up hills or pulling heavy equipment than 1975 Sunbeam Rapier.
Compare all specifications:
| 1968 Plymouth GTX | 1975 Sunbeam Rapier | |
| Make | Plymouth | Sunbeam |
| Model | GTX | Rapier |
| Year Released | 1968 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 7206 cc | 1725 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 375 HP | 79 HP |
| Engine RPM | 4600 RPM | 5200 RPM |
| Torque | 651 Nm | 126 Nm |
| Torque RPM | 3200 RPM | 3800 RPM |
| Engine Bore Size | 109.7 mm | 81.5 mm |
| Engine Stroke Size | 95.3 mm | 82.7 mm |
| Engine Compression Ratio | 10.1:1 | 9.2:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1597 kg | 1030 kg |
| Vehicle Length | 5160 mm | 4440 mm |
| Vehicle Width | 1950 mm | 1670 mm |
| Vehicle Height | 1340 mm | 1390 mm |
| Wheelbase Size | 2950 mm | 2510 mm |
| Fuel Tank Capacity | 72 L | 68 L |
