Presenters
Prior to filming SBS made an open casting call for presenters, resulting in over 4000 applications. The original hosts chosen for Top Gear Australia were cartoonist and motoring columnist Warren Brown, MotoGP commentator Charlie Cox, and race driver / driving instructor Steve Pizzati.
Marketing prior to the first episode stated that the presenters would be joined by The Stig's "Australian cousin", but in the first episode the driver was introduced as just "The Stig". Steve Pizzati suggested that The Stig have an "Australian" name, such as "Stiggo", but the other presenters refused. The season 2 opener clarified that Top Gear Australia's Stig is not intended to be the same Stig from the UK series.
On 19 December 2008, Charlie Cox announced he was leaving the program as he felt he was unable to offer enough time to the show. SBS subsequently announced that trumpeter James Morrison would be his replacement, joining Warren and Steve for season two. Morrison had previously appeared as a guest in the sixth episode.
For the third season, early reports claimed that former Australian cricketer Shane Warne would take over the hosting of the show alongside original Top Gear host Jeremy Clarkson, although the BBC ultimately ruled out Clarkson's involvement in the Australian version. On 20 June 2010, it was announced that actor and comedian Shane Jacobson and Top Gear Australia magazine editor Ewen Page would join a returning Steve Pizzati to present the show for the Nine Network, which premièred on 28 September 2010 with a 75-minute The Ashes special, in which the hosts faced off against their Top Gear UK counterparts in a series of motoring-related challenges. The UK presenters won after cheating in the final challenge by using a professional race driver instead of James May.
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