1970 Opel Manta vs. 1971 Rover 3.5 Litre
To start off, 1971 Rover 3.5 Litre is newer by 1 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 3,532 cc (8 cylinders), 1971 Rover 3.5 Litre is equipped with a bigger engine. In terms of performance, 1971 Rover 3.5 Litre (148 HP @ 5000 RPM) has 81 more horse power than 1970 Opel Manta. (67 HP @ 5200 RPM) In normal driving conditions, 1971 Rover 3.5 Litre should accelerate faster than 1970 Opel Manta. With that said, vehicle weight also plays an important factor in acceleration. 1971 Rover 3.5 Litre weights approximately 693 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, 1971 Rover 3.5 Litre (276 Nm @ 2600 RPM) has 168 more torque (in Nm) than 1970 Opel Manta. (108 Nm @ 3400 RPM). This means 1971 Rover 3.5 Litre will have an easier job in driving up hills or pulling heavy equipment than 1970 Opel Manta.
Compare all specifications:
| 1970 Opel Manta | 1971 Rover 3.5 Litre | |
| Make | Opel | Rover |
| Model | Manta | 3.5 Litre |
| Year Released | 1970 | 1971 |
| Engine Position | Front | Front |
| Engine Size | 1584 cc | 3532 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 67 HP | 148 HP |
| Engine RPM | 5200 RPM | 5000 RPM |
| Torque | 108 Nm | 276 Nm |
| Torque RPM | 3400 RPM | 2600 RPM |
| Engine Bore Size | 85.1 mm | 88.9 mm |
| Engine Stroke Size | 69.8 mm | 71.1 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 945 kg | 1638 kg |
| Vehicle Length | 4300 mm | 4750 mm |
| Vehicle Width | 1640 mm | 1790 mm |
| Vehicle Height | 1360 mm | 1550 mm |
| Wheelbase Size | 2440 mm | 2820 mm |
