1975 Opel Manta vs. 1982 Westfield ZEI
To start off, 1982 Westfield ZEI is newer by 7 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 1,993 cc (4 cylinders), 1982 Westfield ZEI is equipped with a bigger engine. In terms of performance, 1982 Westfield ZEI (217 HP @ 6250 RPM) has 150 more horse power than 1975 Opel Manta. (67 HP @ 5200 RPM) In normal driving conditions, 1982 Westfield ZEI should accelerate faster than 1975 Opel Manta. With that said, vehicle weight also plays an important factor in acceleration. 1975 Opel Manta weights approximately 223 kg more than 1982 Westfield ZEI.
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, 1982 Westfield ZEI (292 Nm @ 4250 RPM) has 184 more torque (in Nm) than 1975 Opel Manta. (108 Nm @ 3400 RPM). This means 1982 Westfield ZEI will have an easier job in driving up hills or pulling heavy equipment than 1975 Opel Manta.
Compare all specifications:
| 1975 Opel Manta | 1982 Westfield ZEI | |
| Make | Opel | Westfield |
| Model | Manta | ZEI |
| Year Released | 1975 | 1982 |
| Engine Size | 1584 cc | 1993 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 67 HP | 217 HP |
| Engine RPM | 5200 RPM | 6250 RPM |
| Torque | 108 Nm | 292 Nm |
| Torque RPM | 3400 RPM | 4250 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Vehicle Weight | 948 kg | 725 kg |
| Vehicle Length | 4300 mm | 3550 mm |
| Vehicle Width | 1640 mm | 1570 mm |
| Vehicle Height | 1360 mm | 1060 mm |
| Wheelbase Size | 2440 mm | 2340 mm |
