Editing Straight-six engine (section)

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 | image1    = Nissan S20 engine 001.JPG
 | caption1  = 1970s [[Nissan S20 engine]]
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 | caption2  = 1990s [[Nissan RB engine]]
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Toyota's first straight-six engine was the [[Toyota Type A engine|Toyota Type A]], produced from 1935 through 1947. The Type A was an overhead-valve petrol engine based on the ''Chevrolet Stovebolt'' engine. This was followed by the first generation [[Toyota F engine#F|Toyota F]] overhead valve engine, which was produced from 1949 to 1975, which in turn was followed by the [[Toyota F engine#2F|2F version]] from 1975 to 1988 and the fuel-injected [[Toyota F engine#3F/3F-E|3F / 3FE version]] from 1988 to 1992. This was replaced by the dual overhead camshaft [[Toyota FZ engine]], produced from 1993 until 2008. Produced alongside these engines was the single overhead camshaft [[Toyota M engine]], which was introduced in 1965 and produced over seven generations until 1993 (with the ''7M-GTE'' being the final version of the M engine). The M engine was replaced by the dual overhead camshaft [[Toyota JZ engine]], which was produced from 1990 to 2007 and is arguably known as Toyota's best straight-six engine. Toyota's third line of straight-six engines was the 2.0&nbsp;L [[Toyota G engine]], which was released as a single overhead camshaft engine in 1979 and upgraded to dual overhead camshafts before production ended in 2008 (with the 1G-FE being the final variant).

Nissan's first straight-six engine was the 1950–1952 [[Nissan P engine#NAK|Nissan NAK]] flathead petrol engine, which continued in various forms until production of the [[Nissan P engine#P|Nissan P]] engine ended in 2003. The 1963-1965 [[Nissan H engine#K|Nissan K]] overhead valve petrol engine was used in the [[Nissan Cedric#Cedric Special 50|Nissan Cedric Special 50]] luxury car. Using a similar design, the [[Nissan H engine#H30|Nissan H30]] engine was used in several luxury cars from 1965 through 1989. In 1966, Nissan began production of the six-cylinder versions of the [[Nissan L engine|Nissan L]] single overhead camshaft engine, which was produced until 2009. The 1985–2004 [[Nissan RB engine]], used in the [[Nissan Skyline]] and several other cars, was produced in single overhead camshaft and dual overhead camshaft configurations until a V6 engine replaced it. The [[Nissan TB engine|Nissan TB]] overhead valve engine was introduced in 1987 and produced alongside the other straight-six engines.

The six-cylinder versions of the [[Prince G engine]] were introduced in 1963 and remained in production until 1969, three years after Prince's merger with Nissan. The 1969–1973 [[Nissan S20 engine|Nissan S20]] dual overhead camshaft engine (used in the [[Nissan S30#Fairlady Z432|Nissan Fairlady]] and first generation of the [[Nissan Skyline#GT-R|Nissan Skyline GT-R]]) was based on the Prince G engine.

Mitsubishi produced six-cylinder versions of the [[Mitsubishi KE engine]] from 1963 to 1970, as well as the rare six-cylinder versions of the [[Mitsubishi Saturn engine#6G34|Mitsubishi 6G34]] version of the single overhead camshaft "Saturn" engine from 1970 to 1976.

The 2000–2006 [[Daewoo Magnus]] (also called the Chevrolet Evanda, Chevrolet Epica, Holden Epica, or Suzuki Verona) was powered by the ''Daewoo XK6'' straight-six petrol engine, which is one of the few straight-six engines to be used in a [[transverse engine]] front-wheel drive car.