The 2021 Bentley Bentayga is available as a 4-door, 5-seat sport utility. Starting at $177,000, the 2021 Bentley Bentayga V8 is powered by a 4.0LL , 8 -cylinder engine mated to an automatic transmission that returns an EPA estimated 15-mpg in the city and 24-mpg on the highway. The top of the line 2021BentleyBentaygaFirst Edition , priced at $ 219,430 , is powered by a 4.0LL , 8 - cylinder engine mated to an automatic transmission that returns an EPA estimated 15-mpg in the city and 24-mpg on the highway.