2009 GMC Sierra vs. 1981 Holden Commodore
To start off, 2009 GMC Sierra is newer by 28 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 4,300 cc (6 cylinders), 2009 GMC Sierra is equipped with a bigger engine. In terms of performance, 2009 GMC Sierra (192 HP @ 4600 RPM) has 58 more horse power than 1981 Holden Commodore. (134 HP @ 4200 RPM). In normal driving conditions, 2009 GMC Sierra should accelerate faster than 1981 Holden Commodore.
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, 1981 Holden Commodore (270 Nm @ 2000 RPM) has 10 more torque (in Nm) than 2009 GMC Sierra. (260 Nm @ 2800 RPM). This means 1981 Holden Commodore will have an easier job in driving up hills or pulling heavy equipment than 2009 GMC Sierra.
Compare all specifications:
| 2009 GMC Sierra | 1981 Holden Commodore | |
| Make | GMC | Holden |
| Model | Sierra | Commodore |
| Year Released | 2009 | 1981 |
| Body Type | Pickup | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4300 cc | 4142 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Horse Power | 192 HP | 134 HP |
| Engine RPM | 4600 RPM | 4200 RPM |
| Torque | 260 Nm | 270 Nm |
| Torque RPM | 2800 RPM | 2000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 3 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Length | 5140 mm | 4710 mm |
| Vehicle Width | 2040 mm | 1730 mm |
| Vehicle Height | 1880 mm | 1370 mm |
| Wheelbase Size | 3030 mm | 2670 mm |
