1975 GMC Jimmy vs. 1978 Holden Sunbird
To start off, 1978 Holden Sunbird is newer by 3 year(s). Which means there will be less support and parts availability for 1975 GMC Jimmy. In addition, the cost of maintenance, including insurance, on 1975 GMC Jimmy would be higher. At 4,093 cc (6 cylinders), 1975 GMC Jimmy is equipped with a bigger engine. In terms of performance, 1975 GMC Jimmy (100 HP @ 3600 RPM) has 4 more horse power than 1978 Holden Sunbird. (96 HP @ 5200 RPM). In normal driving conditions, 1975 GMC Jimmy should accelerate faster than 1978 Holden Sunbird. With that said, vehicle weight also plays an important factor in acceleration. 1975 GMC Jimmy weights approximately 640 kg more than 1978 Holden Sunbird. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1975 GMC Jimmy is four wheel drive (4WD), it will have significant more traction and grip than 1978 Holden Sunbird. In wet, icy, snow, or gravel driving conditions, 1975 GMC Jimmy 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, 1975 GMC Jimmy (242 Nm @ 1600 RPM) has 85 more torque (in Nm) than 1978 Holden Sunbird. (157 Nm @ 3600 RPM). This means 1975 GMC Jimmy will have an easier job in driving up hills or pulling heavy equipment than 1978 Holden Sunbird. 1975 GMC Jimmy has automatic transmission and 1978 Holden Sunbird has manual transmission. 1978 Holden Sunbird will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1975 GMC Jimmy will be easier to drive especially in heavy traffic.
Compare all specifications:
1975 GMC Jimmy | 1978 Holden Sunbird | |
Make | GMC | Holden |
Model | Jimmy | Sunbird |
Year Released | 1975 | 1978 |
Engine Position | Front | Front |
Engine Size | 4093 cc | 1897 cc |
Engine Cylinders | 6 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Horse Power | 100 HP | 96 HP |
Engine RPM | 3600 RPM | 5200 RPM |
Torque | 242 Nm | 157 Nm |
Torque RPM | 1600 RPM | 3600 RPM |
Fuel Type | Gasoline | Gasoline |
Drive Type | 4WD | Rear |
Transmission Type | Automatic | Manual |
Vehicle Weight | 1800 kg | 1160 kg |
Vehicle Length | 4690 mm | 4500 mm |
Vehicle Width | 2030 mm | 1710 mm |
Vehicle Height | 1840 mm | 1340 mm |
Wheelbase Size | 2720 mm | 2590 mm |