1980 Alfa Romeo Spider vs. 1971 Opel Manta
To start off, 1980 Alfa Romeo Spider is newer by 9 year(s). Which means there will be less support and parts availability for 1971 Opel Manta. In addition, the cost of maintenance, including insurance, on 1971 Opel Manta would be higher. At 1,570 cc (4 cylinders), 1980 Alfa Romeo Spider is equipped with a bigger engine. In terms of performance, 1980 Alfa Romeo Spider (105 HP @ 5500 RPM) has 46 more horse power than 1971 Opel Manta. (59 HP @ 5400 RPM). In normal driving conditions, 1980 Alfa Romeo Spider should accelerate faster than 1971 Opel Manta. With that said, vehicle weight also plays an important factor in acceleration. 1980 Alfa Romeo Spider weights approximately 70 kg more than 1971 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, 1980 Alfa Romeo Spider (149 Nm @ 4000 RPM) has 59 more torque (in Nm) than 1971 Opel Manta. (90 Nm @ 3000 RPM). This means 1980 Alfa Romeo Spider will have an easier job in driving up hills or pulling heavy equipment than 1971 Opel Manta.
Compare all specifications:
| 1980 Alfa Romeo Spider | 1971 Opel Manta | |
| Make | Alfa Romeo | Opel |
| Model | Spider | Manta |
| Year Released | 1980 | 1971 |
| Engine Position | Front | Front |
| Engine Size | 1570 cc | 1196 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 105 HP | 59 HP |
| Engine RPM | 5500 RPM | 5400 RPM |
| Torque | 149 Nm | 90 Nm |
| Torque RPM | 4000 RPM | 3000 RPM |
| Engine Bore Size | 78 mm | 79 mm |
| Engine Stroke Size | 82 mm | 61 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 2 seats | 4 seats |
| Vehicle Weight | 1000 kg | 930 kg |
| Vehicle Length | 4130 mm | 4300 mm |
| Vehicle Width | 1640 mm | 1640 mm |
| Vehicle Height | 1300 mm | 1360 mm |
| Wheelbase Size | 2260 mm | 2440 mm |
