Marcos Mantis M70 (1970-72)

Second generation of the Marcos Mantis was the 4-seater M70. 

Launched in 1970 and had a fuel-injected 2.5-litre Triumph TR6 six-cylinder 

injected engine mated to a 4-speed gearbox.
The promotional brochure says the styling "gives high all round visibility",
and "a low centre of gravity together with an extremely wide track ensures superb roadholding.
The luxurious interior seats four in comfort, and the boot, with a capacity of 10 cubic feet,

makes the Mantis ideal for the man who is going places and wants to travel in style."
32 were sold before the company went into liquidation in 1972. 

(wikipedia)

 (Photos from flickr.com)

1968 Marcos Mantis XP

1968 the British sports car manufacturer Marcos released the first version of Mantis, 

the Mantis XP. A racing car designed for the sportscar-prototype class, 

it was powered by a mid-mounted BRM-Repco V8. Later changed to a Buick V8 engine. 
Like earlier Marcos cars it used a plywood monocoque chassis, 
albeit different from that of the GT. Only one car was made. 
A full restoration of the XP was completed in 2008. Now based in America, 
it has visited the UK for the Marcos 50th anniversary celebrations and 
the Goodwood Festival of speed. (wikipedia)

(Photos from gtplanet.net & ultimatecarpage)