The 2018 Porsche Cayenne E-Hybrid is available as a 4-door, 5-seat sport utility. Starting at $79,900, the 2018 Porsche Cayenne E-Hybrid S is powered by a 3.0L, 6-cylinder engine mated to an automatic transmission that returns an EPA estimated The top of the line 2018 Porsche Cayenne E-Hybrid Platinum Edition, priced at $82,800, is powered by a 3.0L, 6-cylinder engine mated to an automatic transmission that returns an EPA estimated