1987 Ford Sierra vs. 1970 Opel Manta
To start off, 1987 Ford Sierra is newer by 17 year(s). Which means there will be less support and parts availability for 1970 Opel Manta. In addition, the cost of maintenance, including insurance, on 1970 Opel Manta would be higher. At 1,897 cc (4 cylinders), 1970 Opel Manta is equipped with a bigger engine. In terms of performance, 1987 Ford Sierra (90 HP @ 5400 RPM) has 1 more horse power than 1970 Opel Manta. (89 HP @ 5200 RPM). In normal driving conditions, 1987 Ford Sierra should accelerate faster than 1970 Opel Manta. With that said, vehicle weight also plays an important factor in acceleration. 1987 Ford Sierra weights approximately 55 kg more than 1970 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, 1970 Opel Manta (146 Nm @ 2500 RPM) has 3 more torque (in Nm) than 1987 Ford Sierra. (143 Nm @ 3500 RPM). This means 1970 Opel Manta will have an easier job in driving up hills or pulling heavy equipment than 1987 Ford Sierra.
Compare all specifications:
| 1987 Ford Sierra | 1970 Opel Manta | |
| Make | Ford | Opel |
| Model | Sierra | Manta |
| Year Released | 1987 | 1970 |
| Engine Position | Front | Front |
| Engine Size | 1796 cc | 1897 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 90 HP | 89 HP |
| Engine RPM | 5400 RPM | 5200 RPM |
| Torque | 143 Nm | 146 Nm |
| Torque RPM | 3500 RPM | 2500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1055 kg | 1000 kg |
| Vehicle Length | 4500 mm | 4300 mm |
| Vehicle Width | 1680 mm | 1640 mm |
| Vehicle Height | 1400 mm | 1360 mm |
| Wheelbase Size | 2620 mm | 2440 mm |
