"16.5:1" . "diesel"^^ . "Circle L engine"@en . "DOHC"^^ . "0.001686"^^ . "straight-four"^^ . . . "0.079"^^ . "0.086"^^ . "The Circle L is an automobile engine produced by GM Powertrain Poland in Poland. It is a 1,686 cc (1.686 L; 102.9 cu in) Diesel straight-4 originally designed by Isuzu but now owned by General Motors. The engine is used in Europe by GM's Opel subsidiary and by Honda."@en .