Editing Fastback (section)

{{Short description|Type of styling to rear car bodywork}}
{{Other uses}}
{{Use dmy dates|date=June 2024}}
{{multiple image
| align             = right
| direction         = vertical
| image1            = Scarab OHTM.JPG
| width1            = 190
| caption1          = 1935 [[Stout Scarab]]
| image2            = 1949 Cadillac Series 62 rear, concours 6.1.19.jpg
| width2            = 190
| caption2          = 1949 [[Cadillac Series 62]] rear
| image3            = GAZ-M-20 in Warszawa (rückansicht).jpg
| width3            = 190
| caption3          = 1950s [[FSO Warszawa|Warszawa M20]]
| image4            = Porsche 356 2014-09-07 13-45-43.jpg
| width4            = 190
| caption4          = 1956 [[Porsche 356|Porsche 356A]]
| image5            = 1967 AMC Marlin white with red interior 04 cropped.jpg
| width5            = 190
| caption5          = 1967 [[AMC Marlin]], a [[Full-size car|full-size]] 2-door fastback<ref>{{cite magazine|url= https://www.hemmings.com/stories/article/1967-amc-marlin-2 |title=1967 AMC Marlin |magazine=Hemmings Motor News |date=July 2013 |first=Mark J. |last=McCourt |access-date=6 February 2024}}</ref>
| image6            = 1968 Ford Mustang GT fastback (7708126054).jpg
| width6            = 190
| caption6          = 1968 [[Ford Mustang]], a [[pony car]] fastback<ref>{{cite web |title=1968 Mustang |url= https://www.musclecarfacts.com/ford-mustang/340-1968-mustang/ |website=musclecarfacts.com |access-date=20 July 2021 |date=24 May 2021}}</ref>
| image7            = Citroen CX 2500 Diesel (6063019981).jpg
| width7            = 190
| caption7          = 1978 [[Citroën CX]] 4-door fastback sedan
| image8            = 2006-Mercedes-Benz-CLS55-AMG-1.jpg
| width8            = 190
| caption8          = 2006 [[Mercedes-Benz CLS-Class|Mercedes-Benz CLS55]] AMG
| image9            = Tesla Model 3 Heckansicht.jpg
| width9            = 190
| caption9          = Unlike the [[Tesla Model S]] 5-door [[liftback]], the [[Tesla Model 3]] seen here is a 4-door fastback sedan (i.e. with a separate trunk)
}}

A '''fastback''' is an [[:Category:Automotive styling features|automotive styling feature]], defined by the rear of the car having a single slope from the roof to the tail.<ref name="Flammang-Catalog">{{cite book|last=Flammang|first=James M. |url= https://books.google.com/books?id=xTM2Ixfev5QC&q=fastback |title=Standard Catalog of American Cars, 1976-1986 |publisher=Krause Publications |year=1990 |isbn=9780873411332 |page=viii |access-date=1 March 2016}}</ref><ref name=":0">{{cite web|title=fastback |url= https://www.merriam-webster.com/dictionary/fastback |publisher=Merriam-Webster |access-date=6 February 2024}}</ref>

The [[kammback]] is not a fastback design with a roofline that tapers downward toward the car's rear before being cut off abruptly.<ref>{{cite web|url= https://www.motortrend.com/features/what-is-a-kammback/ |title=Exploring Kammback History and Examples—and Why the Design Makes Sense |first=Aaron |last=Gold |date=8 July 2020 |work=Motor Trend |access-date=6 February 2024}}</ref>

Some models, such as the [[Ford Mustang]], have been marketed explicitly as fastbacks, often to differentiate them from other body styles (e.g. coupé models) in the same [[Car model|model range]].