1973 GMC Suburban vs. 1978 Opel Senator
To start off, 1978 Opel Senator is newer by 5 year(s). Which means there will be less support and parts availability for 1973 GMC Suburban. In addition, the cost of maintenance, including insurance, on 1973 GMC Suburban would be higher. At 5,733 cc (8 cylinders), 1973 GMC Suburban is equipped with a bigger engine. In terms of performance, 1973 GMC Suburban (153 HP @ 4000 RPM) has 38 more horse power than 1978 Opel Senator. (115 HP @ 5600 RPM). In normal driving conditions, 1973 GMC Suburban should accelerate faster than 1978 Opel Senator. With that said, vehicle weight also plays an important factor in acceleration. 1973 GMC Suburban weights approximately 965 kg more than 1978 Opel Senator. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1973 GMC Suburban 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, 1973 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, 1973 GMC Suburban (345 Nm @ 2400 RPM) has 185 more torque (in Nm) than 1978 Opel Senator. (160 Nm @ 4200 RPM). This means 1973 GMC Suburban will have an easier job in driving up hills or pulling heavy equipment than 1978 Opel Senator.
Compare all specifications:
| 1973 GMC Suburban | 1978 Opel Senator | |
| Make | GMC | Opel |
| Model | Suburban | Senator |
| Year Released | 1973 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 5733 cc | 1977 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 153 HP | 115 HP |
| Engine RPM | 4000 RPM | 5600 RPM |
| Torque | 345 Nm | 160 Nm |
| Torque RPM | 2400 RPM | 4200 RPM |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Vehicle Weight | 2300 kg | 1335 kg |
| Vehicle Length | 5480 mm | 4850 mm |
| Vehicle Width | 1950 mm | 1730 mm |
| Vehicle Height | 1800 mm | 1390 mm |
| Wheelbase Size | 3300 mm | 2690 mm |
