1950 Alvis TA 21 vs. 1970 Marcos Mantis
To start off, 1970 Marcos Mantis is newer by 20 year(s). Which means there will be less support and parts availability for 1950 Alvis TA 21. In addition, the cost of maintenance, including insurance, on 1950 Alvis TA 21 would be higher. At 2,991 cc (6 cylinders), 1950 Alvis TA 21 is equipped with a bigger engine. In terms of performance, 1970 Marcos Mantis (150 HP @ 5500 RPM) has 57 more horse power than 1950 Alvis TA 21. (93 HP @ 4000 RPM) In normal driving conditions, 1970 Marcos Mantis should accelerate faster than 1950 Alvis TA 21. With that said, vehicle weight also plays an important factor in acceleration. 1970 Marcos Mantis weights approximately 2 kg more than 1950 Alvis TA 21. 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 10 more torque (in Nm) than 1950 Alvis TA 21. (204 Nm @ 2000 RPM). This means 1970 Marcos Mantis will have an easier job in driving up hills or pulling heavy equipment than 1950 Alvis TA 21.
Compare all specifications:
| 1950 Alvis TA 21 | 1970 Marcos Mantis | |
| Make | Alvis | Marcos |
| Model | TA 21 | Mantis |
| Year Released | 1950 | 1970 |
| Engine Position | Front | Front |
| Engine Size | 2991 cc | 2498 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 93 HP | 150 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 204 Nm | 214 Nm |
| Torque RPM | 2000 RPM | 3000 RPM |
| Engine Compression Ratio | 7.1:1 | 9.5:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1448 kg | 1450 kg |
| Vehicle Length | 4630 mm | 4750 mm |
| Vehicle Width | 1680 mm | 1810 mm |
| Vehicle Height | 1600 mm | 1170 mm |
| Wheelbase Size | 2840 mm | 2600 mm |
| Fuel Tank Capacity | 64 L | 79 L |
