2008 GMC Sierra vs. 1977 Holden GTS
To start off, 2008 GMC Sierra is newer by 31 year(s). Which means there will be less support and parts availability for 1977 Holden GTS. In addition, the cost of maintenance, including insurance, on 1977 Holden GTS would be higher. At 5,999 cc (8 cylinders), 2008 GMC Sierra is equipped with a bigger engine. In terms of performance, 2008 GMC Sierra (353 HP @ 5400 RPM) has 195 more horse power than 1977 Holden GTS. (158 HP @ 4550 RPM). In normal driving conditions, 2008 GMC Sierra should accelerate faster than 1977 Holden GTS. With that said, vehicle weight also plays an important factor in acceleration. 2008 GMC Sierra weights approximately 666 kg more than 1977 Holden GTS. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1977 Holden GTS. In wet, icy, snow, or gravel driving conditions, 2008 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, 2008 GMC Sierra (506 Nm @ 4400 RPM) has 180 more torque (in Nm) than 1977 Holden GTS. (326 Nm @ 2600 RPM). This means 2008 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1977 Holden GTS.
Compare all specifications:
| 2008 GMC Sierra | 1977 Holden GTS | |
| Make | GMC | Holden |
| Model | Sierra | GTS |
| Year Released | 2008 | 1977 |
| Engine Position | Front | Front |
| Engine Size | 5999 cc | 4139 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Horse Power | 353 HP | 158 HP |
| Engine RPM | 5400 RPM | 4550 RPM |
| Torque | 506 Nm | 326 Nm |
| Torque RPM | 4400 RPM | 2600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Vehicle Weight | 2141 kg | 1475 kg |
| Vehicle Length | 6580 mm | 4850 mm |
| Vehicle Width | 2040 mm | 1880 mm |
| Vehicle Height | 1960 mm | 1400 mm |
| Wheelbase Size | 4250 mm | 2830 mm |
