The Thema was Lancias contribution to the Type 4 platform alongside the Alfa Romeo 164, the Fiat Croma and the SAAB 9000. Engines ranged from 2 litre and 2 litre turbo with 8v and 16v variants, the PSV 2.8 litre V6, the Alfa Romeo V6 and a Ferrari derived 3.2 litre V8 Diesel options were available in Europe.