2007 Chevrolet HHR vs. 1966 Holden HD
To start off, 2007 Chevrolet HHR is newer by 41 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 2,930 cc (6 cylinders), 1966 Holden HD is equipped with a bigger engine. In terms of performance, 2007 Chevrolet HHR (175 HP @ 6200 RPM) has 53 more horse power than 1966 Holden HD. (122 HP @ 4600 RPM). In normal driving conditions, 2007 Chevrolet HHR should accelerate faster than 1966 Holden HD.
Because 1966 Holden HD is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1966 Holden HD. However, in wet, icy, snow, or gravel driving conditions, 2007 Chevrolet HHR, being front wheel drive (FWD), will offer much better control with better grip. 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, 1966 Holden HD (237 Nm @ 2200 RPM) has 13 more torque (in Nm) than 2007 Chevrolet HHR. (224 Nm @ 5000 RPM). This means 1966 Holden HD will have an easier job in driving up hills or pulling heavy equipment than 2007 Chevrolet HHR.
Compare all specifications:
| 2007 Chevrolet HHR | 1966 Holden HD | |
| Make | Chevrolet | Holden |
| Model | HHR | HD |
| Year Released | 2007 | 1966 |
| Engine Position | Front | Front |
| Engine Size | 2397 cc | 2930 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 175 HP | 122 HP |
| Engine RPM | 6200 RPM | 4600 RPM |
| Torque | 224 Nm | 237 Nm |
| Torque RPM | 5000 RPM | 2200 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Vehicle Length | 4440 mm | 4580 mm |
| Vehicle Width | 1740 mm | 1790 mm |
| Vehicle Height | 1570 mm | 1510 mm |
| Wheelbase Size | 2630 mm | 2700 mm |
