"DEJ 810Y is a White 1983 MG Metro with a numberplate first registered in Haverfordwest in 1982. This Hatchback was first used on the road on 1 April 1983."
Vehicle is declared SORN (off the road)
MOT Status Not MOT'd - last MOT expired April 17, 2009.

So probably a fake 6R4 home-built on a normal MG Metro. 2098cc also very odd - 6R4 was 2991cc.