1970 Opel Manta vs. 1985 Pontiac Firebird
To start off, 1985 Pontiac Firebird is newer by 15 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 2,827 cc (6 cylinders), 1985 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 1985 Pontiac Firebird (133 HP @ 5100 RPM) has 66 more horse power than 1970 Opel Manta. (67 HP @ 5200 RPM) In normal driving conditions, 1985 Pontiac Firebird should accelerate faster than 1970 Opel Manta. With that said, vehicle weight also plays an important factor in acceleration. 1985 Pontiac Firebird weights approximately 411 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, 1985 Pontiac Firebird (223 Nm @ 3600 RPM) has 115 more torque (in Nm) than 1970 Opel Manta. (108 Nm @ 3400 RPM). This means 1985 Pontiac Firebird will have an easier job in driving up hills or pulling heavy equipment than 1970 Opel Manta.
Compare all specifications:
| 1970 Opel Manta | 1985 Pontiac Firebird | |
| Make | Opel | Pontiac |
| Model | Manta | Firebird |
| Year Released | 1970 | 1985 |
| Engine Position | Front | Front |
| Engine Size | 1584 cc | 2827 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 67 HP | 133 HP |
| Engine RPM | 5200 RPM | 5100 RPM |
| Torque | 108 Nm | 223 Nm |
| Torque RPM | 3400 RPM | 3600 RPM |
| Engine Bore Size | 85.1 mm | 88.9 mm |
| Engine Stroke Size | 69.8 mm | 75.9 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 4 seats |
| Vehicle Weight | 945 kg | 1356 kg |
| Vehicle Length | 4300 mm | 4850 mm |
| Vehicle Width | 1640 mm | 1850 mm |
| Vehicle Height | 1360 mm | 1270 mm |
| Wheelbase Size | 2440 mm | 2740 mm |
