1971 Ginetta G21 vs. 1970 Marcos Mantis
To start off, 1971 Ginetta G21 is newer by 1 year(s). Which means there will be less support and parts availability for 1970 Marcos Mantis. In addition, the cost of maintenance, including insurance, on 1970 Marcos Mantis would be higher. At 2,498 cc (6 cylinders), 1970 Marcos Mantis is equipped with a bigger engine. In terms of performance, 1970 Marcos Mantis (150 HP @ 5500 RPM) has 65 more horse power than 1971 Ginetta G21. (85 HP @ 5200 RPM) In normal driving conditions, 1970 Marcos Mantis should accelerate faster than 1971 Ginetta G21. With that said, vehicle weight also plays an important factor in acceleration. 1970 Marcos Mantis weights approximately 713 kg more than 1971 Ginetta G21. 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 Marcos Mantis (214 Nm @ 3000 RPM) has 91 more torque (in Nm) than 1971 Ginetta G21. (123 Nm @ 3800 RPM). This means 1970 Marcos Mantis will have an easier job in driving up hills or pulling heavy equipment than 1971 Ginetta G21.
Compare all specifications:
| 1971 Ginetta G21 | 1970 Marcos Mantis | |
| Make | Ginetta | Marcos |
| Model | G21 | Mantis |
| Year Released | 1971 | 1970 |
| Engine Position | Front | Front |
| Engine Size | 1725 cc | 2498 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 85 HP | 150 HP |
| Engine RPM | 5200 RPM | 5500 RPM |
| Torque | 123 Nm | 214 Nm |
| Torque RPM | 3800 RPM | 3000 RPM |
| Engine Compression Ratio | 9.2:1 | 9.5:1 |
| Top Speed | 170 km/hour | 188 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 737 kg | 1450 kg |
| Vehicle Length | 3980 mm | 4750 mm |
| Vehicle Width | 1610 mm | 1810 mm |
| Vehicle Height | 1170 mm | 1170 mm |
| Wheelbase Size | 2320 mm | 2600 mm |
| Fuel Tank Capacity | 45 L | 79 L |
