Running the rule over all 10 teams' performances at winter testing to see who is fastest and who has most work to do.
Ferrari have laid down their marker ahead of the 2018 season after Kimi Raikkonen ended pre-season testing on top of the timesheets.
McLaren were delighted to end F1 testing on a high after Fernando Alonso unexpectedly set the third-fastest time of the winter.
Relive the final day of winter testing as Ferrari end pre-season on top and McLaren break down but then shine.
Lewis Hamilton has welcomed Ferrari setting the fastest time so far in testing as expectation grows of a close battle.
Sebastian Vettel set the fastest time of winter testing so far, but Mercedes impressed on long runs, on the penultimate day at Barcelona.
Red Bull and Daniel Ricciardo have set a deadline to decide on the driver's future at the team beyond 2018, says Helmut Marko
Carmen Jorda has insisted she never meant to discourage female drivers from trying to compete in Formula 1.
Red Bull suspect Mercedes still have a slight pace advantage despite setting the fastest time of winter testing so far on Day Two of the second and final test.
Fernando Alonso says he has "zero" concerns about McLaren's ongoing reliability problems in pre-season testing.
Red Bull laid down a marker for F1 2018 by posting the fastest time of pre-season testing on Day Two of the final test.
Sebastian Vettel ensured Ferrari outpaced Mercedes and Red Bull as F1's second winter test got off to a competitive start.
Mercedes expect a three-way fight for supremacy in 2018 with the world champs unsure if they are ahead of Ferrari and Red Bull.
McLaren have endured a nightmare start to F1 2018's second and final test after their car broke down three times at Barcelona.
Watch as McLaren's testing woes return with Stoffel Vandoorne breaking down twice in the opening 70 minutes of running.
Get up close and watch all the action from the pit-lane on the first day of the second pre-season test in Barcelona.
Williams have refuted suggestions they played a role in pressurising the FIA to issue a technical directive around F1 engine parity.
Lewis Hamilton said he'd happily start the F1 season without the second test after enjoying a "positive" end to week one at Barcelona.
Lewis Hamilton belied his lack of winter running to set an impressive fastest time on the final day of Barcelona Test One.
Toro Rosso's James Key believes Honda's engine is closer in performance to former supplier Renault's than has been believed.
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