This article is from the Lotus Cars FAQ, by firstname.lastname@example.org (Alan F. Perry) with numerous contributions by others.
The DeLorean (also known as the DMC-12) was designed by DeLorean. John
DeLorean contracted with a specialist U.S. subcontractor to design and
build a prototype based on some ideas that he had. He then contracted
Lotus to develop and certify the production car and set up the
manufacturing system. The final chassis design looks very much like
the Esprit chassis. The cars were actually built at the DeLorean
factory in Dunmurry, south of Belfast, Northern Ireland.
If you chose to believe the British Government and others, John
DeLorean, Colin Chapman and Fred Bushell (Chapman's financial man)
took the British Government for a lot of money in loans and assistance
that were given because the DeLorean was built in Northern Ireland.