2004 GMC Sierra vs. 1977 Holden GTS
To start off, 2004 GMC Sierra is newer by 27 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 5,965 cc (8 cylinders), 2004 GMC Sierra is equipped with a bigger engine. In terms of performance, 2004 GMC Sierra (300 HP) has 87 more horse power than 1977 Holden GTS. (213 HP). In normal driving conditions, 2004 GMC Sierra should accelerate faster than 1977 Holden GTS. With that said, vehicle weight also plays an important factor in acceleration. 2004 GMC Sierra weights approximately 1031 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 2004 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, 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 (488 Nm) has 88 more torque (in Nm) than 1977 Holden GTS. (400 Nm). This means 2004 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1977 Holden GTS.
Compare all specifications:
| 2004 GMC Sierra | 1977 Holden GTS | |
| Make | GMC | Holden |
| Model | Sierra | GTS |
| Year Released | 2004 | 1977 |
| Engine Position | Front | Front |
| Engine Size | 5965 cc | 5042 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Horse Power | 300 HP | 213 HP |
| Torque | 488 Nm | 400 Nm |
| Drive Type | 4WD | Rear |
| Vehicle Weight | 2506 kg | 1475 kg |
| Vehicle Length | 5790 mm | 4850 mm |
| Vehicle Width | 2000 mm | 1880 mm |
| Vehicle Height | 1900 mm | 1400 mm |
| Wheelbase Size | 3650 mm | 2830 mm |
