1990 Opel Lotus Omega vs. 1978 Opel Senator
To start off, 1990 Opel Lotus Omega 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 3,615 cc (6 cylinders), 1990 Opel Lotus Omega is equipped with a bigger engine. In terms of performance, 1990 Opel Lotus Omega (377 HP @ 5200 RPM) has 262 more horse power than 1978 Opel Senator. (115 HP @ 5600 RPM). In normal driving conditions, 1990 Opel Lotus Omega should accelerate faster than 1978 Opel Senator. With that said, vehicle weight also plays an important factor in acceleration. 1990 Opel Lotus Omega weights approximately 328 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 Opel Lotus Omega (568 Nm @ 4200 RPM) has 408 more torque (in Nm) than 1978 Opel Senator. (160 Nm @ 4200 RPM). This means 1990 Opel Lotus Omega will have an easier job in driving up hills or pulling heavy equipment than 1978 Opel Senator.
Compare all specifications:
| 1990 Opel Lotus Omega | 1978 Opel Senator | |
| Make | Opel | Opel |
| Model | Lotus Omega | Senator |
| Year Released | 1990 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 3615 cc | 1979 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 377 HP | 115 HP |
| Engine RPM | 5200 RPM | 5600 RPM |
| Torque | 568 Nm | 160 Nm |
| Torque RPM | 4200 RPM | 4200 RPM |
| Engine Bore Size | 95 mm | 95 mm |
| Engine Stroke Size | 85 mm | 69.8 mm |
| Engine Compression Ratio | 8.2:1 | 9.4:1 |
| Top Speed | 313 km/hour | 180 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1663 kg | 1335 kg |
| Vehicle Length | 4690 mm | 4850 mm |
| Vehicle Width | 1940 mm | 1730 mm |
| Vehicle Height | 1440 mm | 1390 mm |
| Wheelbase Size | 2740 mm | 2690 mm |
