1976 Holden Sunbird vs. 1973 Pontiac Firebird
To start off, 1976 Holden Sunbird is newer by 3 year(s). Which means there will be less support and parts availability for 1973 Pontiac Firebird. In addition, the cost of maintenance, including insurance, on 1973 Pontiac Firebird would be higher. At 4,092 cc (6 cylinders), 1973 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 1973 Pontiac Firebird (108 HP @ 3600 RPM) has 7 more horse power than 1976 Holden Sunbird. (101 HP @ 5400 RPM) In normal driving conditions, 1973 Pontiac Firebird should accelerate faster than 1976 Holden Sunbird. With that said, vehicle weight also plays an important factor in acceleration. 1973 Pontiac Firebird weights approximately 350 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, 1973 Pontiac Firebird (237 Nm @ 1600 RPM) has 81 more torque (in Nm) than 1976 Holden Sunbird. (156 Nm @ 2800 RPM). This means 1973 Pontiac Firebird will have an easier job in driving up hills or pulling heavy equipment than 1976 Holden Sunbird.
Compare all specifications:
| 1976 Holden Sunbird | 1973 Pontiac Firebird | |
| Make | Holden | Pontiac |
| Model | Sunbird | Firebird |
| Year Released | 1976 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 1897 cc | 4092 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 101 HP | 108 HP |
| Engine RPM | 5400 RPM | 3600 RPM |
| Torque | 156 Nm | 237 Nm |
| Torque RPM | 2800 RPM | 1600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Vehicle Weight | 1120 kg | 1470 kg |
| Vehicle Length | 4500 mm | 4880 mm |
| Vehicle Width | 1710 mm | 1870 mm |
| Vehicle Height | 1340 mm | 1290 mm |
| Wheelbase Size | 2590 mm | 2750 mm |
