1981 GMC Suburban vs. 1976 Holden Sunbird
To start off, 1981 GMC Suburban is newer by 5 year(s). Which means there will be less support and parts availability for 1976 Holden Sunbird. In addition, the cost of maintenance, including insurance, on 1976 Holden Sunbird would be higher. At 5,044 cc (8 cylinders), 1976 Holden Sunbird is equipped with a bigger engine. In terms of performance, 1976 Holden Sunbird (247 HP @ 5000 RPM) has 117 more horse power than 1981 GMC Suburban. (130 HP @ 4000 RPM) In normal driving conditions, 1976 Holden Sunbird should accelerate faster than 1981 GMC Suburban. With that said, vehicle weight also plays an important factor in acceleration. 1981 GMC Suburban weights approximately 950 kg more than 1976 Holden Sunbird.
Because 1981 GMC Suburban is four wheel drive (4WD), it will have significant more traction and grip than 1976 Holden Sunbird. In wet, icy, snow, or gravel driving conditions, 1981 GMC Suburban 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, 1976 Holden Sunbird (436 Nm @ 3400 RPM) has 151 more torque (in Nm) than 1981 GMC Suburban. (285 Nm @ 2000 RPM). This means 1976 Holden Sunbird will have an easier job in driving up hills or pulling heavy equipment than 1981 GMC Suburban.
Compare all specifications:
| 1981 GMC Suburban | 1976 Holden Sunbird | |
| Make | GMC | Holden |
| Model | Suburban | Sunbird |
| Year Released | 1981 | 1976 |
| Engine Position | Front | Front |
| Engine Size | 4093 cc | 5044 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 130 HP | 247 HP |
| Engine RPM | 4000 RPM | 5000 RPM |
| Torque | 285 Nm | 436 Nm |
| Torque RPM | 2000 RPM | 3400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Vehicle Weight | 2230 kg | 1280 kg |
| Vehicle Length | 5480 mm | 4500 mm |
| Vehicle Width | 1950 mm | 1710 mm |
| Vehicle Height | 1800 mm | 1340 mm |
| Wheelbase Size | 3300 mm | 2590 mm |
