The DMAX V6 engine is a Diesel engine. It was designed, and is produced by Isuzu in Fujisawa, Kanagawa, Japan but the design rights to the engine are now owned by General Motors. It uses high-pressure common rail direct injection with four valve per cylinder, cylinder heads. A variable-geometry turbocharger and intercooler are also used. The engine was used in Europe by GM's Opel subsidiary and by Renault. Output is nominally at 4000 rpm and at 1800 rpm. The engine's internal name is 6DE1. Applications: Saab 9-5 2001-2005 internal engine's name D308L . Opel/Vauxhall Vectra and Signum 2003-2005 internal engine's name Y30DT . 2005-2008 internal engine's name Z30DT . Renault Renault Vel Satis 2000-2010 internal engine's name P9X 701 . 2005-2010 internal engine's name P9X 715 . Renault Espace 2002-2006 internal engine's name P9X 701 . 2006-2010 internal engine's name P9X 715 . See also List of GM engines V6 Diesel engines by model V6 engines