1990 Buick Roadmaster vs. 1978 Opel Senator
To start off, 1990 Buick Roadmaster is newer by 12 year(s). Which means there will be less support and parts availability for 1978 Opel Senator. In addition, the cost of maintenance, including insurance, on 1978 Opel Senator would be higher. At 5,731 cc (8 cylinders), 1990 Buick Roadmaster is equipped with a bigger engine. In terms of performance, 1990 Buick Roadmaster (177 HP @ 4200 RPM) has 41 more horse power than 1978 Opel Senator. (136 HP @ 5600 RPM). In normal driving conditions, 1990 Buick Roadmaster should accelerate faster than 1978 Opel Senator. With that said, vehicle weight also plays an important factor in acceleration. 1990 Buick Roadmaster weights approximately 1050 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.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 1990 Buick Roadmaster (393 Nm @ 2400 RPM) has 207 more torque (in Nm) than 1978 Opel Senator. (186 Nm @ 4600 RPM). This means 1990 Buick Roadmaster will have an easier job in driving up hills or pulling heavy equipment than 1978 Opel Senator.
Compare all specifications:
| 1990 Buick Roadmaster | 1978 Opel Senator | |
| Make | Buick | Opel |
| Model | Roadmaster | Senator |
| Year Released | 1990 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 5731 cc | 2488 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 177 HP | 136 HP |
| Engine RPM | 4200 RPM | 5600 RPM |
| Torque | 393 Nm | 186 Nm |
| Torque RPM | 2400 RPM | 4600 RPM |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1840 kg | 790 kg |
| Vehicle Length | 5490 mm | 4850 mm |
| Vehicle Width | 1990 mm | 1730 mm |
| Vehicle Height | 1450 mm | 1390 mm |
| Wheelbase Size | 2950 mm | 2690 mm |
