Although he admits that he would like to see Lotus on top of the podium, team boss Eric Boullier insists that the overall results so far this season have been better than a 'one-off victory'.

Kimi Raikkonen and Romain Grosjean have scored eight podium finishes between them so far in 2012 to leave Lotus third in the constructors' championship - ahead of Ferrari and just a point behind McLaren going into the Belgian Grand Prix at Spa.

Raikkonen is also being tipped by many as a dark horse for the drivers title after an impressive start to his comeback and Boullier said the team could be satisfied with its results so far - especially with more still to come.

"I think we can all be satisfied with what we've achieved in the first half of the season; especially coming off the back of a difficult 2011," he said. "It's a testament to the skill and determination of everyone at Enstone that we've produced a great car which seems to be getting better as the season progresses and we hope this continues. That said, I can't ignore the points we've lost in a lot of different ways and there is a big margin for improvement through the rest of the year.

"A win would be nice, there's no doubt about that. Being there or thereabouts at so many different circuits however is very good in championship terms and certainly better than a one-off win. Of course, we continue to push to make the car faster. We were in a very good position in Budapest where we finished in second and third; had it been a circuit with more overtaking opportunities then the top step would have been a possibility."

Boullier added that he was delighted with the performance of both drivers so far this season and warned rival teams that they were 'wasting their time' if considering an approach for either Raikkonen or Grosjean.

"I can understand why other teams would be interested," he said. "Both Kimi and Romain are performing very well this season. For Kimi, it's like he's never been away. Romain is a natural talent, and improving at a very rapid rate. It's great to see the interest from other teams, but to be honest they're probably wasting their time.

"There is no reason for Kimi or Romain to leave and I think they will both enjoy very successful futures with us."