The Libra was launched by GTM Cars

GTM Cars

GTM Cars is a component kit car manufacturer located in Kingswinford, UK.The company was founded in 1967 when Bernard Cox and his friend Jack Hosker created the Cox GTM a mid engined Ferrari Dino inspired sports car based on Mini parts. It was an instant hit and they built kits as fast as they...

 Ltd on the UK kitcar market in 1998. Three years in development it was a collaboration between GTM Cars directors Peter Beck & Paddy Fitch, designer Richard Oakes and suspension designer Bryn Davies.

Conceived as a lightweight sportscar, it uses no subframes for its suspension with all the mountings being bolted straight to the GRP

Glass-reinforced plastic

Fiberglass , is a fiber reinforced polymer made of a plastic matrix reinforced by fine fibers of glass. It is also known as GFK ....

 monocoque tub.
At the front it uses unequal length wishbones of GTM design locating uprights from the Rover Metro/100 range and a forward mounted steering rack for extra legroom. The rear suspension is an unusual double trailing arm design, bolted to the rear bulkhead and using the same uprights as the front.
The engine/transmission unit is held in a frame hanging off the rear bulkhead, a frame which also locates the rear hinging engine cover which incorporates a sizeable boot which can accommodate a full size set of golf clubs.
The front 'clamshell' conceals the radiator, battery, master cylinders etc. and also manages to stow a full size spare wheel (either 16" or 17"). A removable roof panel can be stowed behind the seats for an open top experience.

Initially launched with the 1.4 litre Rover 'K'-Series engine

Rover K engine

The K-Series engine is a series of engines built by Powertrain Ltd, a sister company of MG Rover. The engine was built in two forms: a straight-four cylinder, available with SOHC and DOHC, ranging from 1.1 L to 1.8 L; and the KV6 V6 variation....

, the Libra has been fitted successfully with 1.6, 1.8, 1.8 VVC and KV6 2.5 litre Rover engines as well as some Honda units and the Audi 1.8 turbo engine.