Editing V12 engine (section)

=== 1945 to 1960s ===
[[File:1961 Ferrari 250 TR 61 Spyder Fantuzzi engine.jpg|right|thumb |1961 [[Ferrari Colombo engine]] in a ''Ferrari 250TR Spyder'']]
Following the end of the Second World War, the economic austerity and changes in taste in many European countries led to the demise of luxury automobiles with V12 engines in the 1940s and 1950s. Lincoln continued the limited production of luxury cars with V12 engines from 1946 to 1948. The American manufacturers focused on continuously improving V8 engines and their performances through the 1950s, leading to the first "horsepower war" in the 1960s.

In Italy, [[Enzo Ferrari]], who had long admired the V12 engines of [[Packard]], [[Auto Union]], and his former employer [[Alfa Romeo]],<ref>{{cite book|title=Ferrari: A Complete Guide to All Models | last = Acerbi | first=Leonardo|year=2006|publisher=Motorbooks |isbn=9780760325506|page=5}}</ref> introduced his first passenger car, [[Ferrari 166 Inter]], in 1948 and fitted it with {{convert|2.0|L|cuin|0|abbr=on}} [[Ferrari Colombo engine|Colombo]] V12 engine. Dissatisfied with the reliability and crudeness of his Ferrari 250 GT, [[Ferruccio Lamborghini]] wanted to develop his own passenger cars that were more cultured and more reliable than the cars produced by Ferrari. His first passenger car, a grand tourer, was [[Lamborghini 350 GT|350 GT]] with {{convert|3.5|L|cuin|0|abbr=on}} DOHC engine. Both manufacturers have a long history of producing vehicles with V12 engines, which continues uninterrupted to this day.

Cadillac experimented with V12 engines in 1963 and 1964 as a potential engine option for its first-ever front-wheel-drive car, [[Cadillac Eldorado]]. However, Cadillac was unsatisfied with the performance of its V12 engine, having little advantage over the large displacement V8 that was cheaper to enlarge for more power.<ref>{{cite web|url= https://www.hagerty.com/media/automotive-history/why-gms-v-12-engine-of-the-future-never-made-production/ |title=Why GM's V-12 "Engine of the Future" never made it to production |first=Don |last=Sherman |date=20 May 2020 |work=Hagerty}}</ref>

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