The joint venture resulted in the two companies sharing production of locally produced automobiles by selling their models under both brands.
The plan envisaged to rationalise and make the Australian automotive industry more competitive on a global scale by means of reducing import tariffs.
[2] Under an obligation to amalgamate, Holden and Toyota formed the UAAI joint venture on 11 December 1987 that resulted in model sharing between both automakers.
This was a similar approach to the then contemporary Geo/Chevrolet Prizm sold in the United States and Mexico, which utilised E90 Sprinter panels to differentiate between GM and Toyota models.
The Lexcen was Toyota's version of the Holden Commodore,[16] available in the same sedan and station wagon body styles, but only in the V6 engine and automatic transmission guise.
By the end of 1993, the UAAI venture cars realised sales of 21 percent at best when compared to the models retailed by their original manufactures.