1966 Holden HD vs. 2001 Pontiac Firebird
To start off, 2001 Pontiac Firebird is newer by 35 year(s). Which means there will be less support and parts availability for 1966 Holden HD. In addition, the cost of maintenance, including insurance, on 1966 Holden HD would be higher. At 3,791 cc (6 cylinders), 2001 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 2001 Pontiac Firebird (198 HP @ 5200 RPM) has 76 more horse power than 1966 Holden HD. (122 HP @ 4600 RPM) In normal driving conditions, 2001 Pontiac Firebird should accelerate faster than 1966 Holden HD. With that said, vehicle weight also plays an important factor in acceleration. 2001 Pontiac Firebird weights approximately 261 kg more than 1966 Holden HD. 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, 2001 Pontiac Firebird (305 Nm @ 4000 RPM) has 68 more torque (in Nm) than 1966 Holden HD. (237 Nm @ 2200 RPM). This means 2001 Pontiac Firebird will have an easier job in driving up hills or pulling heavy equipment than 1966 Holden HD.
Compare all specifications:
| 1966 Holden HD | 2001 Pontiac Firebird | |
| Make | Holden | Pontiac |
| Model | HD | Firebird |
| Year Released | 1966 | 2001 |
| Engine Position | Front | Front |
| Engine Size | 2930 cc | 3791 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 122 HP | 198 HP |
| Engine RPM | 4600 RPM | 5200 RPM |
| Torque | 237 Nm | 305 Nm |
| Torque RPM | 2200 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Vehicle Weight | 1200 kg | 1461 kg |
| Vehicle Length | 4580 mm | 4970 mm |
| Vehicle Width | 1790 mm | 1900 mm |
| Vehicle Height | 1510 mm | 1310 mm |
| Wheelbase Size | 2700 mm | 2570 mm |
