Mmm flat 6 like a 911
Yep, few choices according to Wiki if looking for flat 6 in automobiles. Currently only Porsche and Subaru.
Honda Gold Wing motorcycle.List of automobiles with flat-six engines :PastWilson-Pilcher car : 1900-1907 (front engine, conventional layout)
1948 Tucker Sedan: 1948 (rear engine, rear drive)
Chevrolet Corvair: 1960 - 1969 (rear engine, rear drive, firing order 1-4-5-2-3-6)
PresentPorsche :911: 1965–present (rear engine, rear or four-wheel drive)
914-6: 1970 - 1972 (rear mid engine, rear drive)
959: 1986 - 1989 (rear engine, four-wheel drive)
Boxster: 1996–present (rear mid engine, rear drive)
Cayman: 2006–present (rear mid engine, rear drive)
Subaru:(front-engine, four-wheel drive)
XT6, using the ER-27 engine
SVX, using the EG-33 engine
Legacy, using an EZ series engine
Outback, using an EZ series engine
B9 Tribeca, using an EZ series engine