At the recent Geneva Motor Show, Audi launched their new 2.9L TFSI V6 bi-turbo, for the RS 5 Coupé. The turbocharged petrol engine will provide more efficient combustion and increased engine efficiency to achieve a top speed of 174mph!
[Source: Engine Technology International, Mar’17]
http://www.enginetechnologyinternational.com/news.php?NewsID=84269