2004 GMC Sierra vs. 1966 Holden HD
To start off, 2004 GMC Sierra 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 5,359 cc (8 cylinders), 2004 GMC Sierra is equipped with a bigger engine. In terms of performance, 2004 GMC Sierra (295 HP) has 173 more horse power than 1966 Holden HD. (122 HP). In normal driving conditions, 2004 GMC Sierra should accelerate faster than 1966 Holden HD. With that said, vehicle weight also plays an important factor in acceleration. 2004 GMC Sierra weights approximately 1179 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 GMC Sierra 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 GMC Sierra 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 GMC Sierra (447 Nm) has 210 more torque (in Nm) than 1966 Holden HD. (237 Nm). This means 2004 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1966 Holden HD.
Compare all specifications:
| 2004 GMC Sierra | 1966 Holden HD | |
| Make | GMC | Holden |
| Model | Sierra | HD |
| Year Released | 2004 | 1966 |
| Engine Position | Front | Front |
| Engine Size | 5359 cc | 2930 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 295 HP | 122 HP |
| Torque | 447 Nm | 237 Nm |
| Drive Type | 4WD | Rear |
| Vehicle Weight | 2379 kg | 1200 kg |
| Vehicle Length | 5850 mm | 4580 mm |
| Vehicle Width | 2000 mm | 1790 mm |
| Vehicle Height | 1910 mm | 1510 mm |
| Wheelbase Size | 3650 mm | 2700 mm |
