1975 Opel Manta vs. 1986 Opel Omega
To start off, 1986 Opel Omega is newer by 11 year(s). Which means there will be less support and parts availability for 1975 Opel Manta. In addition, the cost of maintenance, including insurance, on 1975 Opel Manta would be higher. At 1,998 cc (4 cylinders), 1986 Opel Omega is equipped with a bigger engine. In terms of performance, 1986 Opel Omega (122 HP @ 5400 RPM) has 55 more horse power than 1975 Opel Manta. (67 HP @ 5200 RPM) In normal driving conditions, 1986 Opel Omega should accelerate faster than 1975 Opel Manta. With that said, vehicle weight also plays an important factor in acceleration. 1986 Opel Omega weights approximately 362 kg more than 1975 Opel Manta. 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, 1986 Opel Omega (175 Nm @ 2600 RPM) has 67 more torque (in Nm) than 1975 Opel Manta. (108 Nm @ 3400 RPM). This means 1986 Opel Omega will have an easier job in driving up hills or pulling heavy equipment than 1975 Opel Manta.
Compare all specifications:
| 1975 Opel Manta | 1986 Opel Omega | |
| Make | Opel | Opel |
| Model | Manta | Omega |
| Year Released | 1975 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 1584 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 67 HP | 122 HP |
| Engine RPM | 5200 RPM | 5400 RPM |
| Torque | 108 Nm | 175 Nm |
| Torque RPM | 3400 RPM | 2600 RPM |
| Engine Bore Size | 85 mm | 86 mm |
| Engine Stroke Size | 69.8 mm | 86 mm |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 948 kg | 1310 kg |
| Vehicle Length | 4300 mm | 4740 mm |
| Vehicle Width | 1640 mm | 1780 mm |
| Vehicle Height | 1360 mm | 1540 mm |
| Wheelbase Size | 2440 mm | 2740 mm |
