This weekend's Hungarian Grand Prix will provide a stern test for Mercedes around a more challenging venue, says Valtteri Bottas. read more »

Although Mercedes are starting 1-2 on the Bahrain Grand Prix grid, Lewis Hamilton is wary of the challenge that Ferrari will pose in race-trim. read more »

Toto Wolff says a disruptive winter has left Mercedes behind on understanding its Formula 1 car amid a stern challenge from Ferrari following changes to the technical regulations read more »

Familiar to the drivers due to its standing as a testing track, the Circuit de Barcelona-Catalunya provides a stern test under race conditions... For more F1® videos, visit... read more »

Williams has finished third in two consecutive Formula 1 constructors' championships, but faces a stern challenge to achieve performance chief Rob Smedley's... read more »

Damon Hill believes Lewis Hamilton will face a stern challenge from within Mercedes as Nico Rosberg's second defeat has made him "more determined"... read more »

Bernie Ecclestone has issued a stern warning to the BBC about their Formula 1 deal, saying "they can't leave the contract early"... read more »

Mercedes boss Toto Wolff says he expects a tougher contest from Ferrari next year to defend its place at the top of Formula 1 read more »

Mercedes boss Toto Wolff says that the squad's 1-2 finish at the Spanish Grand Prix is encouraging for future races, due to the stern test provided by the Circuit de... read more »

Force India Technical Director Andrew Green and Lotus CEO Matthew Carter believe the Mercedes-powered cars will be even better in 2015... read more »

Caterham will be in Austria owner Tony Fernandes has confirmed after numerous reports in the German press suggested otherwise. The team has failed to score a single point since... read more »

Daniel Ricciardo is hoping to challenge for a top three F1 finish in the Chinese Grand Prix, but accepts that Red Bull faces a stern challenge. read more »

Romain Grosjean is still hoping to provide Red Bull with a stern test during the United States Grand Prix, despite being comfortably outpaced in Saturday's qualifying hour. read more »

Mark Webber put up a stern challenge to team mate Sebastian Vettel in qualifying ahead of the American Grand Prix, but it was the German who produced the lap when […] read more »

Sebastian Vettel believes Red Bull won't have it all their own way in Korea after being pipped by Lewis Hamilton in practice... read more »

Red Bull driver Sebastian Vettel says he is expecting a close pole position fight with Mercedes in Korea, having been outpaced by Lewis Hamilton during Friday practice. read more »

Romain Grosjean and Pastor Maldonado must accept they made mistakes in Belgium, says BBC's F1 technical analyst Gary Anderson read more »

Pedro de la Rosa, 20th: "It was a tough race, but we finished with both cars and that is positive for the team. The truth is that our rhythm wasn't what we'd... read more »

Sebastian Vettel delivered his first victory of the 2012 Formula 1 season in the Bahrain Grand Prix, and moved into the championship lead in the process - but only after... read more »

Williams expects the Chinese Grand Prix to provide a stern test for the new FW34 read more »

After an impressive showing in Malaysia, the Chinese GP in Shanghai is likely to be a stern test for Williams' F34... read more »

Williams previews the Chinese Grand Prix read more »

We head to Malaysia mindful that we'll once again receive a stern challenge from our closest rivals - most notably Red Bull Racing and Mercedes. read more »

Mark Gillan, Chief Operations Engineer: Suzuka is a classic track with its trademark figure-of-eight layout that proves a stern technical test for the drivers. read more »

Mark Webber can expect a stern talking to from Christian Horner after the Red Bull driver admitted to ignoring team orders in Britain... read more »