1975 Opel Manta vs. 1999 Opel Omega
To start off, 1999 Opel Omega is newer by 24 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 5,665 cc (8 cylinders), 1999 Opel Omega is equipped with a bigger engine. In terms of performance, 1999 Opel Omega (311 HP @ 5600 RPM) has 244 more horse power than 1975 Opel Manta. (67 HP @ 5200 RPM) In normal driving conditions, 1999 Opel Omega should accelerate faster than 1975 Opel Manta. With that said, vehicle weight also plays an important factor in acceleration. 1999 Opel Omega weights approximately 742 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, 1999 Opel Omega (459 Nm @ 4400 RPM) has 351 more torque (in Nm) than 1975 Opel Manta. (108 Nm @ 3400 RPM). This means 1999 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 | 1999 Opel Omega | |
| Make | Opel | Opel |
| Model | Manta | Omega |
| Year Released | 1975 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 1584 cc | 5665 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 67 HP | 311 HP |
| Engine RPM | 5200 RPM | 5600 RPM |
| Torque | 108 Nm | 459 Nm |
| Torque RPM | 3400 RPM | 4400 RPM |
| Engine Bore Size | 85 mm | 99.1 mm |
| Engine Stroke Size | 69.8 mm | 92 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 4 seats |
| Vehicle Weight | 948 kg | 1690 kg |
| Vehicle Length | 4300 mm | 4900 mm |
| Vehicle Width | 1640 mm | 1790 mm |
| Vehicle Height | 1360 mm | 1510 mm |
| Wheelbase Size | 2440 mm | 2740 mm |
