Jeremy Clarkson and his former Top Gear co-hosts have been accused of making "repulsive" homophobic jokes on their new television series.

Key points: The Grand Tour hosts are accused of mocking drivers of Jeep Wranglers for supposedly being gay

The Grand Tour hosts are accused of mocking drivers of Jeep Wranglers for supposedly being gay Will Young described remarks made on an episode of the show as "bigoted" and "pathetic"

Will Young described remarks made on an episode of the show as "bigoted" and "pathetic" Clarkson has denied knowledge of any homophobic jokes on Twitter

British singer-songwriter and actor Will Young outlined his anger at the remarks made by the cast of The Grand Tour in a string of posts on Twitter, stating "you can be honest and funny without this ridiculous 'lad' ooh being gay and let's laugh about it mentality."

One of the remarks in question features Clarkson describing the Jeep Wrangler as being "bought by people who like cruising the streets of San Francisco and Key West and Brighton and Sydney".

Young, who was a guest on Top Gear, described the comments about the supposed sexuality of Jeep Wrangler drivers made on a recent episode of the program as "bigoted", "pathetic" and "homophobic".

He described the cast — which also features fellow former Top Gear co-hosts James May and Richard Hammond — as "obtuse, bigoted, immature babies of men".

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According to the Guardian, May asks Clarkson on The Grand Tour episode if the Wrangler "is a popular car with the gay community?" to which Clarkson responds "What is it, lesbian, bacon, transgender?"

Hammond later suggests to Clarkson that he might want to pair the Wrangler with "some nice chaps, suede but ventilated at the back" and teases him about having moisturiser, and the Weather Girls' song It's Raining Men is also played from the Jeep's stereo during the segment.

Will Young has threatened to take his complaints against The Grand Tour to communication authorties. ( Reuters: Olivia Harris )

The remarks appear to be in response to a 2014 survey of listeners of the US radio show Car Talk which found the Jeep Wrangler to be among the top five most popular vehicles with gay and lesbian listeners.

Young took aim at the producers of The Grand Tour for perpetuating narratives about "the gay Jeep".

But after receiving no response from Amazon Prime to his tweets, Young later said he would he take the matter to the UK's Office of Communications.

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"Is there a legal case? Who knows… watch this space," he also tweeted.

While no official response to Young's accusations has been released, Clarkson denied knowledge of any homophobic behaviour when asked about the controversy on Twitter.

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Young, who has released several albums and acted in film, stage and television, shot to fame in the UK in 2002 after winning the first season of the British talent show Pop Idol.