1966 Holden HD vs. 2004 Hummer H1
To start off, 2004 Hummer H1 is newer by 38 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 6,504 cc (8 cylinders), 2004 Hummer H1 is equipped with a bigger engine. In terms of performance, 2004 Hummer H1 (205 HP) has 83 more horse power than 1966 Holden HD. (122 HP) In normal driving conditions, 2004 Hummer H1 should accelerate faster than 1966 Holden HD. With that said, vehicle weight also plays an important factor in acceleration. 2004 Hummer H1 weights approximately 2072 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.
Because 2004 Hummer H1 is four wheel drive (4WD), it will have significant more traction and grip than 1966 Holden HD. In wet, icy, snow, or gravel driving conditions, 2004 Hummer H1 will offer significantly more control. 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, 2004 Hummer H1 (597 Nm) has 360 more torque (in Nm) than 1966 Holden HD. (237 Nm). This means 2004 Hummer H1 will have an easier job in driving up hills or pulling heavy equipment than 1966 Holden HD.
Compare all specifications:
| 1966 Holden HD | 2004 Hummer H1 | |
| Make | Holden | Hummer |
| Model | HD | H1 |
| Year Released | 1966 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 2930 cc | 6504 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 122 HP | 205 HP |
| Torque | 237 Nm | 597 Nm |
| Drive Type | Rear | 4WD |
| Vehicle Weight | 1200 kg | 3272 kg |
| Vehicle Length | 4580 mm | 4690 mm |
| Vehicle Width | 1790 mm | 2200 mm |
| Vehicle Height | 1510 mm | 1960 mm |
| Wheelbase Size | 2700 mm | 3310 mm |
