PORSCHE911 Speedster (991) 2018-2020 2020 2019 2018 All 2020 2019 2018 Model Year KW HP CC Type Fuel Engine i4.0 (991890, 991891) (2018 - 2020) 375kW, 510HP, 3996cc, Convertible, Petrol (MA1.77) 2018 - 2020 375 510 3996 Convertible Petrol MA1.77