to aid in occupant protection. The larger Domingo (and its various iterations) isn't considered "kei class" because the dimensions exceed the requirements and the engine displacement is larger than regulations allow. Fifth generation (1990–1999) The fifth generation Sambar was introduced in 1990. Engine regulations for displacement size were increased and the Sambar's engine was upgraded to 660 cc. For the 4WD version it sold as Subaru Dias Wagon as a permanent trim model. Commercials in Japan used Kuniko Yamada, a Japanese comedian. The tradition of using the engine in Subaru's kei car offering was continued, with the Subaru Vivio sharing its EN07 engine with this version of the Sambar. The engine now had four cylinders and in the carburetted standard model; was on tap in the optional supercharged model, coupled with fuel injection. An automatic transmission was offered in the form of Subaru's ECVT system in tandem with full-time 4WD and a viscous coupling differential. 1994 saw a full model change for the Domingo, using the new Sambar design coupled to the Subaru Justy's EF12 SOHC three-cylinder engine displacing 1200 cc. A maximum seating capacity of seven was possible. October 1995 saw the elimination of the ECVT transmission due to drivability issues and a 3-speed automatic was made available instead. A new option for naturally aspirated versions was the EMPi engine, producing . Special edition appearance packages were offered including a retro "Dias Classic", later available on the Sambar truck, influenced by the Subaru Vivio Bistro. A Sambar Dias Classic appears in Love Hina as Seta's van. Sixth generation (1999-2012) The sixth generation was available for purchase May 2, 1999, and in 1998 kei class vehicle size regulations allowed for an increase in body size. The 4WD Dias is now only offered with a 3-speed automatic transmission, with the supercharger optioned engine power output increased to . Carburetors are no longer used on the current version of the Subaru EN engine for the entire product line, and the EF engine is no longer manufactured. To address safety concerns with side impact resistance, on 1 October 1998 the width restriction for kei vehicles was increased to and the sixth generation Sambar was widened accordingly. July 18, 2008, items that were included were dual front passenger airbags, power sliding rear doors, power windows, and leather interior on upper trim level models. Seventh generation (2009-2014) On June 26 2007 an article appeared in