1978 Opel Senator vs. 1984 Renault 25
To start off, 1984 Renault 25 is newer by 6 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 2,969 cc (6 cylinders), 1978 Opel Senator is equipped with a bigger engine. In terms of performance, 1978 Opel Senator (177 HP @ 5800 RPM) has 55 more horse power than 1984 Renault 25. (122 HP @ 5250 RPM). In normal driving conditions, 1978 Opel Senator should accelerate faster than 1984 Renault 25. With that said, vehicle weight also plays an important factor in acceleration. 1978 Opel Senator weights approximately 285 kg more than 1984 Renault 25. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1978 Opel Senator (248 Nm @ 4200 RPM) has 55 more torque (in Nm) than 1984 Renault 25. (193 Nm @ 2750 RPM). This means 1978 Opel Senator will have an easier job in driving up hills or pulling heavy equipment than 1984 Renault 25.
Compare all specifications:
| 1978 Opel Senator | 1984 Renault 25 | |
| Make | Opel | Renault |
| Model | Senator | 25 |
| Year Released | 1978 | 1984 |
| Engine Position | Front | Front |
| Engine Size | 2969 cc | 2165 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 177 HP | 122 HP |
| Engine RPM | 5800 RPM | 5250 RPM |
| Torque | 248 Nm | 193 Nm |
| Torque RPM | 4200 RPM | 2750 RPM |
| Engine Bore Size | 95 mm | 88 mm |
| Engine Stroke Size | 69.8 mm | 89 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1485 kg | 1200 kg |
| Vehicle Length | 4700 mm | 4630 mm |
| Vehicle Width | 1730 mm | 1780 mm |
| Vehicle Height | 1390 mm | 1410 mm |
| Wheelbase Size | 2670 mm | 2730 mm |
| Fuel Tank Capacity | 70 L | 34 L |
