Editing Flat-six engine (section)

=== Porsche ===
{{see|Porsche flat-six engine}}
[[File:Porsche 911 2.0 004.JPG|thumb|left|1966 [[Porsche 911 (classic)|Porsche 911]] ]]
{{Listen
| filename     = Porsche 911R (1967).ogg
| title        = 1967 Porsche 911R
| filename2    = 2006 Porsche Cayman S engine sound.wav
| title2       = 2006 Porsche Cayman S
}}

The flat-six engine is often associated with the [[Porsche 911]], a rear-engined sports car which has used flat-six engines exclusively since 1963. The engines were [[Air-cooled engine|air-cooled]] until 1999, when Porsche started using [[Water cooling (engines)|water-cooled engines]].<ref>{{cite web |title=Flat Sixy: The Evolution of Porsche 911 Engine Size, Technology, and Output in the U.S. |url=https://www.caranddriver.com/news/a15366914/flat-sixy-the-evolution-of-porsche-911-engine-size-technology-and-output-in-the-u-s/ |website=www.caranddriver.com |access-date=21 September 2019 |date=13 December 2013}}</ref>

Other Porsche models that use flat-six engines are the 1970–1972 [[Porsche 914|Porsche 914/6]] ([[mid-engine]]), the 1986–1993 [[Porsche 959]] ([[rear engine|rear-engine]]), and the 1996–2021 [[Porsche Boxster/Cayman]] (mid-engine).
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