Lamborghini V12 by Life Racing Engines with their W12 engine and Subaru who reintroduced the Flat 12 to the sport, both appearing in the first half of 1990. Lamborghini V12 The Lamborghini V12 refers to the flagship V12 engine used by Lamborghini. Lamborghini has had two generations of V12 engines through their history, both of which were developed in-house. The first-generation Lamborghini V12 was a sixty degree (60°) V12 petrol engine designed by Lamborghini, and was the first internal combustion engine ever produced by the firm. It first entered production in 1963 as a 3.5 litre displacing fitted on Lamborghini's first car,
Production car speed record of Bugatti's record of Fastest production car achieved by the Veyron 16.4 Super Sport. The focus of the review was with respect to what may constitute a modification to a car's standard specification. Having evaluated all the necessary information, Guinness World Records is now satisfied that a change to the speed limiter does not alter the fundamental design of the car or its engine." Some cars were not considered to be the fastest production vehicles, for various reasons. Here is a list of some well known cars that have not been able to meet standards needed to be the fastest