Editing Ayrton Senna (section)

===Wealth, properties and endorsements===
At his death, Senna's estate was estimated at $400 million.<ref name=":3" /> Senna owned several properties, including an [[organic farming|organic farm]] in [[Tatuí]], Brazil (where he built a go-kart track in 1991), a beach house in [[Angra dos Reis]], Brazil, an apartment in [[São Paulo]], Brazil, an apartment in [[Monaco]], an estate in [[Sintra]], on the [[Portuguese Riviera]], and a house in [[Algarve]], Portugal.<ref>{{cite news |last=Loaded Wilkinson |first=Tara |date=23 December 2010 |title=Europe House of the Day: Ayrton Senna's Algarva Villa |url=https://www.wsj.com/articles/SB10001424052748704828104576021633581862742 |url-access=subscription |archive-url=https://web.archive.org/web/20160314034927/https://www.wsj.com/articles/SB10001424052748704828104576021633581862742 |archive-date=2016-03-14 |access-date=23 December 2010 |work=The Wall Street Journal}}</ref> He owned a private jet ([[British Aerospace 125]]) and a helicopter, the latter of which he piloted to travel between his various Brazilian residences.<ref name=":4">{{cite magazine |last=Moses |first=Sam |date=18 March 1991 |title=Still Head of the Class |url=http://sportsillustrated.cnn.com/vault/article/magazine/MAG1118982/2/index.htm |url-status=dead |archive-url=https://web.archive.org/web/20140407085348/http://sportsillustrated.cnn.com/vault/article/magazine/MAG1118982/2/index.htm |archive-date=7 April 2014 |access-date=14 October 2012 |magazine=Sports Illustrated}}</ref>[[File:FoS20162016 0624 164007AA (27851648326).jpg|thumb|Senna's red NSX, loaned to him by Honda Portugal, on display at the 2016 [[Goodwood Festival of Speed]]]]As part of his close relationship with Honda, Senna endorsed Honda sportscars, including the [[Honda Prelude]] and the [[Honda NSX]]. He helped test and fine-tune the NSX, working directly with chief NSX engineer [[Shigeru Uehara]] and his team during five testing sessions at Suzuka.<ref>{{cite news |last=Frankel |first=Andrew |date=1 September 2002 |title=Honda's NSX shows why Ayrton was the greatest |url=http://www.nsxprime.com/FAQ/Media/2002-09-01-sundaytimes.jpg |url-status=dead |archive-url=https://web.archive.org/web/20160304200934/http://www.nsxprime.com/FAQ/Media/2002-09-01-sundaytimes.jpg |archive-date=4 March 2016 |access-date=9 February 2015 |work=The Sunday Times}}</ref> Honda credited Senna's feedback, explaining that Senna encouraged Uehara to increase the stiffness of the chassis.<ref>{{cite news |date=17 December 2011 |title=Honda NSX: Cult favourite resurrected |url=http://www.nzherald.co.nz/motoring/news/article.cfm?c_id=9&objectid=10773432 |url-status=live |archive-url=https://web.archive.org/web/20200502154036/https://www.nzherald.co.nz/motoring/news/article.cfm?c_id=9&objectid=10773432 |archive-date=2 May 2020 |access-date=16 August 2012 |newspaper=The New Zealand Herald}}</ref> In return, Honda gave Senna a custom-made black NSX. He also drove two other NSX cars owned by Honda Portugal and Senna's friend Antonio Carlos de Almeida Braga.<ref>{{cite web |title=Ayrton Senna |url=https://sennamcf.wordpress.com/ |url-status=live |archive-url=https://web.archive.org/web/20200406093334/https://sennamcf.wordpress.com/ |archive-date=6 April 2020 |access-date=9 February 2015}}</ref>

In 1993, Senna signed a lucrative agreement to import, market, and sell [[Audi]] cars in Brazil.<ref>{{Cite web |last= |date=2024-03-21 |title=Audi do Brasil and Senna Brands Announce Partnership |url=https://audiclubna.org/audi-do-brasil-and-senna-brands-announce-partnership/ |access-date=2024-10-11 |website=Audi Club North America |language=en-US}}</ref> Sales began in April 1994, just a month before his untimely death. In 1999, [[Audi Senna]] was created as a joint venture of Audi with Senna Import.<ref>{{cite web |date=21 September 2010 |title=Audi Brasil &gt; Companhia &gt; Audi no Brasil |url=http://www.audi.com.br/br/brand/pt/company/audi_no_brasil.html |url-status=live |archive-url=https://web.archive.org/web/20101006064625/http://www.audi.com.br/br/brand/pt/company/audi_no_brasil.html |archive-date=6 October 2010 |access-date=2 October 2010 |publisher=Audi.com.br}}</ref> Aside from the black NSX mentioned above, Senna's other personal car in 1994 was a silver [[Audi 100 S4]] Avant.<ref>{{cite web |date=20 October 2004 |title=Folha Online – Classificados – Veículos – Audi expõe S4 de Ayrton Senna no Salão do Automóvel – 20/10/2004 |url=http://www1.folha.uol.com.br/folha/classificados/veiculos/ult1670u1406.shtml |url-status=live |archive-url=https://web.archive.org/web/20201031230306/https://www1.folha.uol.com.br/folha/classificados/veiculos/ult1670u1406.shtml |archive-date=31 October 2020 |access-date=2 October 2010 |publisher=.folha.uol.com.br}}</ref><ref>{{cite news |date=11 June 2014 |title=Senna: aceleramos os carros do campeão |url=http://caranddriverbrasil.uol.com.br/carros/carros/especial/senna-aceleramos-os-carros-do-campeao/8013 |url-status=dead |archive-url=https://web.archive.org/web/20150208181855/http://caranddriverbrasil.uol.com.br/carros/carros/especial/senna-aceleramos-os-carros-do-campeao/8013 |archive-date=8 February 2015 |access-date=9 February 2015 |publisher=Car and Driver (Portugal)}}</ref> Senna also endorsed the [[Ducati 916]] motorbike shortly before his death in 1994.<ref name=":6">{{cite web |date=15 September 2008 |title=Ducati 1098 Senna Tribute Bike |url=http://www.topspeed.com/motorcycles/motorcycle-news/ducati-1098-senna-tribute-bike-ar63823/picture263776.html |url-status=live |archive-url=https://web.archive.org/web/20230324113822/https://www.topspeed.com/motorcycles/motorcycle-news/ducati-1098-senna-tribute-bike/ |archive-date=24 March 2023 |access-date=16 June 2012 |publisher=TopSpeed}}</ref>

In the early 1990s, Senna developed his own merchandise brand represented by a logo with a double S, after his full surname, "Senna da Silva".{{sfnp|Rubython|2004|p=497}} This logo is meant to represent an S [[chicane]] on a racing circuit. The Senna brand was used for apparel, watches, bicycles (Carraro), motorcycles and boats. [[Hublot]], [[TAG Heuer]], and [[Universal Genève]] have created limited-edition watches to honour Senna, both during his lifetime and after his death.<ref>{{cite news |date=1 December 2001 |title=TAG Heuer / Ayrton Senna |url=http://www.europastar.com/news/2038034-tag-heuer-ayrton-senna.html |url-status=live |archive-url=https://web.archive.org/web/20200503005222/https://www.europastar.com/news/2038034-tag-heuer-ayrton-senna.html |archive-date=3 May 2020 |access-date=4 May 2014 |work=Europa Star}}</ref><ref>{{cite news |date=12 June 2013 |title=Hublot Launches MP-06 Senna Act IV Timepiece |url=http://www.superyachts.com/luxury/hublot-launches-mp06-senna-act-iv-timepiece-2050.htm |url-status=live |archive-url=https://web.archive.org/web/20141129045257/http://www.superyachts.com/luxury/hublot-launches-mp06-senna-act-iv-timepiece-2050.htm |archive-date=29 November 2014 |access-date=4 May 2014 |publisher=SuperYachts.com}}</ref><ref>{{cite news |date=12 February 2016 |title=Universal Geneve newsletter |url=http://www.universal.ch/newsletter/en/details/didyouknow.htm |url-status=dead |archive-url=https://web.archive.org/web/20170420103040/http://www.universal.ch/newsletter/en/details/didyouknow.htm |archive-date=20 April 2017 |access-date=12 February 2016 |publisher=universal.ch}}</ref>

Senna also endorsed several video games and multimedia offerings, including 1992's ''[[Ayrton Senna's Super Monaco GP II]]'', which featured pre-recorded advice from Senna and included Senna's personal farm circuit in [[Tatuí]] as one of the possible tracks.<ref>{{Cite web |last=Quinn |first=Nathan |date=2021-10-01 |title=The long and strange history of F1 drivers in non-F1 games |url=https://www.the-race.com/formula-1/the-long-and-strange-history-of-f1-drivers-in-non-f1-games/ |access-date=2024-02-11 |website=The Race}}</ref> Senna also contributed several interviews to the Japan-exclusive ''Ayrton Senna Personal Talk: Message for the Future,'' a multimedia [[compact disc]] for the [[Sega Saturn]]. ''[[List_of_PlayStation_(console)_games_(A–L)#A|Ayrton Senna Kart Duel]]'', a series of kart racing games using his branding was released for the [[PlayStation 1]] in 1996, followed by two sequels in 1997 and 1999. Senna continues to feature in video games following his death. In 2013, ''[[Gran Turismo 6]]'' released a Senna-centered expansion pack, with some of the proceeds going to help the IAS.<ref>{{cite web |title=Playstation 3 Bundle |url=http://www.joystiq.com/2013/10/25/ayrton-senna-rides-again-in-brazilian-gran-turismo-6-bundle/ |url-status=dead |archive-url=https://web.archive.org/web/20131027040445/http://www.joystiq.com/2013/10/25/ayrton-senna-rides-again-in-brazilian-gran-turismo-6-bundle/ |archive-date=27 October 2013 |access-date=25 October 2013 |publisher=Sony Computer Entertainment}}</ref> In 2019, ''[[F1 2019 (video game)|F1 2019]]'' released a [[DLC (video gaming)|DLC]] focusing on the Senna-Prost rivalry.<ref name="guardianf1">{{cite news |last1=Boxer |first1=Steve |date=27 June 2019 |title=F1 2019 review – sublime motorsports simulation |url=https://www.theguardian.com/games/2019/jun/27/f1-2019-game-playstation-xbox-pc-review-formula-one |url-status=live |archive-url=https://web.archive.org/web/20200502091634/https://www.theguardian.com/games/2019/jun/27/f1-2019-game-playstation-xbox-pc-review-formula-one |archive-date=2 May 2020 |access-date=20 July 2019 |work=The Guardian}}</ref>