1975 Mercury Comet vs. 1978 Opel Manta
To start off, 1978 Opel Manta is newer by 3 year(s). Which means there will be less support and parts availability for 1975 Mercury Comet. In addition, the cost of maintenance, including insurance, on 1975 Mercury Comet would be higher. At 3,272 cc (6 cylinders), 1975 Mercury Comet is equipped with a bigger engine. In terms of performance, 1978 Opel Manta (100 HP @ 5400 RPM) has 26 more horse power than 1975 Mercury Comet. (74 HP @ 3200 RPM) In normal driving conditions, 1978 Opel Manta should accelerate faster than 1975 Mercury Comet. With that said, vehicle weight also plays an important factor in acceleration. 1975 Mercury Comet weights approximately 380 kg more than 1978 Opel Manta.
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, 1975 Mercury Comet (197 Nm @ 2000 RPM) has 62 more torque (in Nm) than 1978 Opel Manta. (135 Nm @ 3800 RPM). This means 1975 Mercury Comet will have an easier job in driving up hills or pulling heavy equipment than 1978 Opel Manta.
Compare all specifications:
| 1975 Mercury Comet | 1978 Opel Manta | |
| Make | Mercury | Opel |
| Model | Comet | Manta |
| Year Released | 1975 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 3272 cc | 1979 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 74 HP | 100 HP |
| Engine RPM | 3200 RPM | 5400 RPM |
| Torque | 197 Nm | 135 Nm |
| Torque RPM | 2000 RPM | 3800 RPM |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1430 kg | 1050 kg |
| Vehicle Length | 5000 mm | 4460 mm |
| Vehicle Width | 1800 mm | 1680 mm |
| Vehicle Height | 1360 mm | 1340 mm |
| Wheelbase Size | 2800 mm | 2520 mm |
