2004 GMC Sierra vs. 1981 Holden Commodore
To start off, 2004 GMC Sierra is newer by 23 year(s). Which means there will be less support and parts availability for 1981 Holden Commodore. In addition, the cost of maintenance, including insurance, on 1981 Holden Commodore would be higher. At 5,965 cc (8 cylinders), 2004 GMC Sierra is equipped with a bigger engine. In terms of performance, 2004 GMC Sierra (340 HP @ 5200 RPM) has 262 more horse power than 1981 Holden Commodore. (78 HP @ 4600 RPM). In normal driving conditions, 2004 GMC Sierra should accelerate faster than 1981 Holden Commodore. With that said, vehicle weight also plays an important factor in acceleration. 2004 GMC Sierra weights approximately 1185 kg more than 1981 Holden Commodore. 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 1981 Holden Commodore. 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 (516 Nm @ 4000 RPM) has 376 more torque (in Nm) than 1981 Holden Commodore. (140 Nm @ 2400 RPM). This means 2004 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1981 Holden Commodore.
Compare all specifications:
| 2004 GMC Sierra | 1981 Holden Commodore | |
| Make | GMC | Holden |
| Model | Sierra | Commodore |
| Year Released | 2004 | 1981 |
| Body Type | Pickup | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5965 cc | 1892 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 340 HP | 78 HP |
| Engine RPM | 5200 RPM | 4600 RPM |
| Torque | 516 Nm | 140 Nm |
| Torque RPM | 4000 RPM | 2400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Vehicle Weight | 2345 kg | 1160 kg |
| Vehicle Length | 5740 mm | 4710 mm |
| Vehicle Width | 2000 mm | 1730 mm |
| Vehicle Height | 1910 mm | 1370 mm |
| Wheelbase Size | 3650 mm | 2670 mm |
