Romain Grosjean says it would be 'downright top' for him if Renault was to complete its sale of Lotus and return to Formula 1 as a fully-fledged manufacturer next season.

The Frenchman rose through the motorsport ranks with backing from Renault and made his F1 debut with the team in 2009, even if he unceremoniously axed after failing to impress in a handful of races during the second-half of the season.

After reviving his reputation by clinching the GP2 Series title in 2011, Grosjean returned to F1 in 2012 with Lotus and quickly proved to be a capable front runner in a competitive car.

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Now in his fourth season with Lotus, though the future remains relatively uncertain for the team as rumours of a sale back to Renault continue to persist heading into the second-half of 2015, Grosjean feels it would benefit both his career and the sport if the takeover went ahead.

"It would first be good for F1, and for me, it would be downright top," he told Auto Hebdo. "It's a challenge that would appeal to me particularly because of the story that I share with Renault who played a major role in my career.

"They took me under their wing in 2005 when I joined the driver development program. Then they put me in F1. I was fired afterwards and it was not the best time of our life, but I came back and I managed to climb on the podium nine times with a Renault engine.

"For the F1 fans and not only French, it would be fantastic to see Renault on the grid because F1 needs major manufacturers."

Despite the inauspicious conclusion to their relationship, Grosjean would be considered an ideal candidate for any Lotus-to-Renault drive as the only experienced French driver competing in F1 today, while his lengthy time at Enstone would ease the transition period. Furthermore, Grosjean comes with personal backing from oil company Total, which is likely to be involved in Renault return.