Announced as being officially released for sale in England during October 1970 as a luxurious 2+2 with a top speed of 120 mph - powered by a Triumph 2.5 PI engine / transmission and built using a fiberglass body placed on a square tube chassis – with coil springs all round and live axle rear suspension with trailing links and a “A” bracket – the Mantis was expected to be priced into the English “young executive market” at AU$6500.