2012 GMC Sierra vs. 1977 Holden Kingswood
To start off, 2012 GMC Sierra is newer by 35 year(s). Which means there will be less support and parts availability for 1977 Holden Kingswood. In addition, the cost of maintenance, including insurance, on 1977 Holden Kingswood would be higher. At 5,999 cc (8 cylinders), 2012 GMC Sierra is equipped with a bigger engine. In terms of performance, 2012 GMC Sierra (353 HP @ 5400 RPM) has 140 more horse power than 1977 Holden Kingswood. (213 HP @ 4800 RPM). In normal driving conditions, 2012 GMC Sierra should accelerate faster than 1977 Holden Kingswood. With that said, vehicle weight also plays an important factor in acceleration. 2012 GMC Sierra weights approximately 1055 kg more than 1977 Holden Kingswood. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2012 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1977 Holden Kingswood. In wet, icy, snow, or gravel driving conditions, 2012 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, 2012 GMC Sierra (506 Nm @ 4400 RPM) has 106 more torque (in Nm) than 1977 Holden Kingswood. (400 Nm @ 3100 RPM). This means 2012 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1977 Holden Kingswood.
Compare all specifications:
| 2012 GMC Sierra | 1977 Holden Kingswood | |
| Make | GMC | Holden |
| Model | Sierra | Kingswood |
| Year Released | 2012 | 1977 |
| Engine Position | Front | Front |
| Engine Size | 5999 cc | 5042 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Horse Power | 353 HP | 213 HP |
| Engine RPM | 5400 RPM | 4800 RPM |
| Torque | 506 Nm | 400 Nm |
| Torque RPM | 4400 RPM | 3100 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Vehicle Weight | 2435 kg | 1380 kg |
| Vehicle Length | 6340 mm | 4850 mm |
| Vehicle Width | 2040 mm | 1900 mm |
| Vehicle Height | 1950 mm | 1410 mm |
| Wheelbase Size | 4010 mm | 2830 mm |
