1976 Holden Sunbird vs. 1968 Plymouth GTX
To start off, 1976 Holden Sunbird is newer by 8 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 274 more horse power than 1976 Holden Sunbird. (101 HP @ 5400 RPM) In normal driving conditions, 1968 Plymouth GTX should accelerate faster than 1976 Holden Sunbird. With that said, vehicle weight also plays an important factor in acceleration. 1968 Plymouth GTX weights approximately 477 kg more than 1976 Holden Sunbird. 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 495 more torque (in Nm) than 1976 Holden Sunbird. (156 Nm @ 2800 RPM). This means 1968 Plymouth GTX will have an easier job in driving up hills or pulling heavy equipment than 1976 Holden Sunbird. 1968 Plymouth GTX has automatic transmission and 1976 Holden Sunbird has manual transmission. 1976 Holden Sunbird will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1968 Plymouth GTX will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1976 Holden Sunbird | 1968 Plymouth GTX | |
| Make | Holden | Plymouth |
| Model | Sunbird | GTX |
| Year Released | 1976 | 1968 |
| Engine Position | Front | Front |
| Engine Size | 1897 cc | 7206 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 101 HP | 375 HP |
| Engine RPM | 5400 RPM | 4600 RPM |
| Torque | 156 Nm | 651 Nm |
| Torque RPM | 2800 RPM | 3200 RPM |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Vehicle Weight | 1120 kg | 1597 kg |
| Vehicle Length | 4500 mm | 5160 mm |
| Vehicle Width | 1710 mm | 1950 mm |
| Vehicle Height | 1340 mm | 1340 mm |
| Wheelbase Size | 2590 mm | 2950 mm |
