Audi ownership and V12 Successor Lamborghini V12

the v12 engine used in lamborghini aventador lp 700-4

since lamborghini purchased in 1998 german volkswagen group subsidiary audi ag, v12 engine continued undergoing constant upgrade, growing displacement 5.7 liters (diablo vt in production) final 6.5 liters (murciélago lp670-4 superveloce). took years decide new-from-scratch engine needed , decision made: lamborghini s all-new l539 6.5 litre engine 2011 aventador produces 700 ps (510 kw; 690 hp), 18 kg lighter, over-square (bore:95 mm - stroke:76,4 mm) , has different firing order: 1–12–4–9–2–11-6–7–3–10–5–8 instead of 1–7–4–10–2–8–6–12–3–9–5–11.