1978 GMC Jimmy vs. 1978 Opel Senator
To start off, both 1978 GMC Jimmy and 1978 Opel Senator were released in the same year (1978). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,093 cc (6 cylinders), 1978 GMC Jimmy is equipped with a bigger engine. In terms of performance, 1978 Opel Senator (115 HP @ 5600 RPM) has 15 more horse power than 1978 GMC Jimmy. (100 HP @ 3600 RPM) In normal driving conditions, 1978 Opel Senator should accelerate faster than 1978 GMC Jimmy. With that said, vehicle weight also plays an important factor in acceleration. 1978 GMC Jimmy weights approximately 465 kg more than 1978 Opel Senator.
Because 1978 GMC Jimmy is four wheel drive (4WD), it will have significant more traction and grip than 1978 Opel Senator. In wet, icy, snow, or gravel driving conditions, 1978 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, 1978 GMC Jimmy (242 Nm @ 1600 RPM) has 82 more torque (in Nm) than 1978 Opel Senator. (160 Nm @ 4200 RPM). This means 1978 GMC Jimmy will have an easier job in driving up hills or pulling heavy equipment than 1978 Opel Senator.
Compare all specifications:
| 1978 GMC Jimmy | 1978 Opel Senator | |
| Make | GMC | Opel |
| Model | Jimmy | Senator |
| Year Released | 1978 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 4093 cc | 1977 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 100 HP | 115 HP |
| Engine RPM | 3600 RPM | 5600 RPM |
| Torque | 242 Nm | 160 Nm |
| Torque RPM | 1600 RPM | 4200 RPM |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Vehicle Weight | 1800 kg | 1335 kg |
| Vehicle Length | 4690 mm | 4850 mm |
| Vehicle Width | 2030 mm | 1730 mm |
| Vehicle Height | 1840 mm | 1390 mm |
| Wheelbase Size | 2720 mm | 2690 mm |
