9 March 2012
Last updated at
19:35 GMT
Mercedes are the latest team to unveil the car which they hope will help them challenge the top three teams - Red Bull, McLaren and Ferrari...
Team boss Ross Brawn describes the car as an "elegant interpretation of the current regulations".
The Red Bull RB8, designed by Adrian Newey and to be driven by Sebastian Vettel and Mark Webber, is the car that everyone wants to beat after the team dominated both championships in 2011...
The big intrigue is the hole in the nose where the 'step' is in the middle of the front suspension.
Ferrari, meanwhile, had a disappointing 2011, with the Italian marque scoring just one victory. As a result, the team have taken an aggressive approach with the F2012...
The car features a pull-rod front suspension system but has so far struggled for pace in testing.
Described by Jenson Button as a beautiful car, the McLaren MP4-27 is unique in that it is so far the only 2012 car not to feature the 'stepped' nose...
The team have also ditched the distinctive L-shaped sidepods that distinguished the 2011 car as they seek to win their first constructors' title since 1998.
Force India drivers Nico Hulkenberg (left) and Scotland's Paul di Resta are aiming to force their way up the field this year and challenge the top four teams with the VJM05...
The Silverstone-based team finished sixth in the constructors' championship last year, their best ever finish.
Former world champion Kimi Raikkonen, who is returning to the sport this year, will race Lotus' new E20 alongside Frenchman Romain Grosjean...
The team aim to replicate the form which guided Fernando Alonso to the drivers' title in 2005 and 2006.
It's out with the old and in with the new at Williams as Bruno Senna (left) steps in to replace veteran racer Rubens Barrichello. The Brazilian partners Pastor Maldonado of Venezuela.
Williams aim to recover from one of their worst ever seasons in 2011, which yielded just five points.
Toro Rosso have opted for an all-new driver line-up this season as Daniel Ricciardo and Jean-Eric Vergne step in to take the seats vacated by Jaime Alguersuari and Sebastien Buemi...
The pressure is on for the pair to prove they have what it takes to graduate to the Red Bull team in the near future.
Sauber punched above their weight in 2011 with Kamui Kobayashi and Sergio Perez. The Swiss-based team scored points in 13 of the 19 races on their way to seventh in the constructors' championship...
The 'stepped' design between the front wheels on most 2012 cars is a result of new FIA regulations. These limit the height of a car's nose, for safety reasons.
Caterham, formerly Team Lotus, were among the first to announce their new car for 2012 as they seek to score their first World Championship point since joining the sport in 2010...
The team dumped Jarno Trulli in favour of Vitaly Petrov (pictured) in February. Can the Russian along with team-mate Heikki Kovalainen cause a surprise?
HRT driver Narain Karthikeyan says his team is looking forward to the new season after he was able to take the new F112 car out on the track for the first time during a filming day at Barcelona's Circuit de Catalunya. Spaniard Pedro de la Rosa is also new to HRT, who finished 11th out of 12 teams in both seasons since their debut in 2010.
Marussia, formerly Virgin, finally revealed their MR01 after running it at Silverstone during a filming day...
The 2012 machine had failed one of the 18 FIA crash tests during its development, but has since passed.
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Formula 1
