The 2017 Infiniti Q70 is available as a 4-door, 5-seat sedan. Starting at $50,100, the 2017 Infiniti Q70 3.7 RWD is powered by a 3.7L, 6-cylinder engine mated to an automatic transmission that returns an EPA estimated 18-mpg in the city and 25-mpg on the highway. The top of the line 2017 Infiniti Q70 5.6X AWD, priced at $65,700, is powered by a 5.6L, 8-cylinder engine mated to an automatic transmission that returns an EPA estimated 16-mpg in the city and 23-mpg on the highway.