Final season under Lotus name before Renault takeover. Form much improved over 2014, with the Mercedes-powered E23 accumulating 78 points in the hands of Grosjean and Maldonado, the former’s fine third in Belgium being the team’s best result.
Plummet down the order to eighth overall as team struggle to make E22 and its hybrid Renault power unit reliable or competitive. Grosjean scores eight points and Maldonado just two, with the former's eighth places in Spain and Monaco their best results of the year.
Burst out of the gates with Raikkonen winning in Australia in the quick and tyre-friendly E21. Car proves a good match for most circuits and conditions, helping Raikkonen and Grosjean to a further 13 podiums between them, taking team to a strong fourth place overall.
Team name officially changes to Lotus from Renault (formerly Benetton, 1986-2001). F1 returnee Kimi Raikkonen and Romain Grosjean score several podiums over course of season and are consistently on leading pace, but team has to wait until Abu Dhabi for sole Raikkonen-inspired victory.