1987 Alfa Romeo 75 vs. 1978 Opel Senator
To start off, 1987 Alfa Romeo 75 is newer by 9 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, 1987 Alfa Romeo 75 (182 HP @ 5800 RPM) has 12 more horse power than 1978 Opel Senator. (170 HP @ 5400 RPM). In normal driving conditions, 1987 Alfa Romeo 75 should accelerate faster than 1978 Opel Senator. With that said, vehicle weight also plays an important factor in acceleration. 1978 Opel Senator weights approximately 128 kg more than 1987 Alfa Romeo 75.
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, 1978 Opel Senator (248 Nm @ 4200 RPM) has 8 more torque (in Nm) than 1987 Alfa Romeo 75. (240 Nm @ 4500 RPM). This means 1978 Opel Senator will have an easier job in driving up hills or pulling heavy equipment than 1987 Alfa Romeo 75.
Compare all specifications:
| 1987 Alfa Romeo 75 | 1978 Opel Senator | |
| Make | Alfa Romeo | Opel |
| Model | 75 | Senator |
| Year Released | 1987 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 2959 cc | 2969 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 182 HP | 170 HP |
| Engine RPM | 5800 RPM | 5400 RPM |
| Torque | 240 Nm | 248 Nm |
| Torque RPM | 4500 RPM | 4200 RPM |
| Engine Bore Size | 93 mm | 95.1 mm |
| Engine Stroke Size | 72.6 mm | 69.8 mm |
| Engine Compression Ratio | 9.5:1 | 6.0:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1212 kg | 1340 kg |
| Vehicle Length | 4430 mm | 4820 mm |
| Vehicle Width | 1640 mm | 1730 mm |
| Vehicle Height | 1360 mm | 1390 mm |
| Wheelbase Size | 2520 mm | 2740 mm |
| Fuel Tank Capacity | 68 L | 70 L |
