1975 Opel Manta vs. 1971 Triumph GT6
To start off, 1975 Opel Manta is newer by 4 year(s). Which means there will be less support and parts availability for 1971 Triumph GT6. In addition, the cost of maintenance, including insurance, on 1971 Triumph GT6 would be higher. At 1,996 cc (6 cylinders), 1971 Triumph GT6 is equipped with a bigger engine. In terms of performance, 1971 Triumph GT6 (107 HP @ 5450 RPM) has 40 more horse power than 1975 Opel Manta. (67 HP @ 5200 RPM) In normal driving conditions, 1971 Triumph GT6 should accelerate faster than 1975 Opel Manta. With that said, vehicle weight also plays an important factor in acceleration. 1975 Opel Manta weights approximately 28 kg more than 1971 Triumph GT6.
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 Triumph GT6 (165 Nm @ 3000 RPM) has 57 more torque (in Nm) than 1975 Opel Manta. (108 Nm @ 3400 RPM). This means 1971 Triumph GT6 will have an easier job in driving up hills or pulling heavy equipment than 1975 Opel Manta.
Compare all specifications:
| 1975 Opel Manta | 1971 Triumph GT6 | |
| Make | Opel | Triumph |
| Model | Manta | GT6 |
| Year Released | 1975 | 1971 |
| Engine Position | Front | Front |
| Engine Size | 1584 cc | 1996 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 67 HP | 107 HP |
| Engine RPM | 5200 RPM | 5450 RPM |
| Torque | 108 Nm | 165 Nm |
| Torque RPM | 3400 RPM | 3000 RPM |
| Engine Bore Size | 85 mm | 74.7 mm |
| Engine Stroke Size | 69.8 mm | 76 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 2 seats |
| Vehicle Weight | 948 kg | 920 kg |
| Vehicle Length | 4300 mm | 3790 mm |
| Vehicle Width | 1640 mm | 1450 mm |
| Vehicle Height | 1360 mm | 1200 mm |
| Wheelbase Size | 2440 mm | 2120 mm |
