The 22-year-old forward has enjoyed a dream debut season in the Premier League, and played a huge part in helping Paul Lambert's side to beat the drop this term.
But his fine form has attracted attention from some of Europe's top clubs, with Tottenham and Arsenal, as well as AC Milan and Borussia Dortmund, interested in the forward.
Villa remain keen to keep him at Villa Park, and Lambert suggested Benteke, who he signed from Belgian side Genk last summer for £8m, is now worth three times that amount.
The west Midlands club are preparing to reward his excellent form with a new contract - reportedly doubling his current £25,000-a-week wage.
But Benteke has cast fresh doubt on his future at the club, claiming he will not stay against his will.
Speaking to Nieuwsblad, as reported by ESPN, Benteke said: "If Aston Villa say I must stay, I won't necessarily accept that. I do not in any way want to feel I didn't get the most out of my career."
Only Robin Van Persie, Luis Suarez and Gareth Bale scored more goals than the 22-goal Benteke this season.
Contract talks with Villa started towards the end of the current campaign, but Benteke was allowed to join up with the Belgian national team before terms could be finalised.
Belgium are one of the dark horses to go far at the World Cup in Brazil next year, and Benteke admits he's got one eye on the tournament.
"Of course playing the World Cup in Rio is in my head," added the Belgium international.
"But I have no fear of falling out of the team. With my family I will decide where my future lies."
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