Williams have officially rolled out their new car ahead of the first morning of running at the opening pre-season test of 2015 in Jerez, Spain.
As indicated by previously released images, the Mercedes-powered FW37, which will be driven by Felipe Massa and Valtteri Bottas, is a clear evolution of last year's highly competitive FW36
They released pictures last week from its Silverstone shakedown, but on Sunday in Spain Mercedes officially launched the car with which they will defend their drivers' and constructors' crowns, as Lewis Hamilton and Nico Rosberg took the wraps off the F1 W06 Hybrid in the Jerez pit lane.
The launch of a new car is an exciting moment for everybody involved, said Toto Wolff, Head of Mercedes-Benz Motorsport
Toro Rosso took the wraps off their 2015 car in the Jerez pit lane on Saturday afternoon, just a few hours before the first of this year's three pre-season tests gets underway at the Spanish circuit.
The Renault-powered STR10 will be raced by the team's all-rookie driver line-up of Max Verstappen and Carlos Sainz Jr, with the latter due behind the wheel first on Sunday
Given the unprecedented scale of their achievements last year, Mercedes enter 2015 with an extraordinary set of expectations and pressures - and in the knowledge that their rivals have worked tirelessly over the winter to catch up.
So when the team headed to Silverstone for the first 'shakedown' of their new F1 W06 Hybrid, we went along for an exclusive preview
Sebastian Vettel and Kimi Raikkonen have warned against expecting immediate results from Ferrari in 2015, saying that patience will be key to the Scuderia's hopes of returning to the front of the Formula One grid.
Vettel, who joined the Scuderia from Red Bull ahead of the new season, says his focus is on building a platform for success in the long-term
Ferrari have officially unveiled the SF15-T, the car the Italian team hope will return them to winning ways in 2015.
The new machine, which will be driven by Ferrari's all-world champion driver line-up of Sebastian Vettel and Kimi Raikkonen, features, amongst other things, a distinctive long flat nose and revised sidepods
Sauber took the covers off their 2015 car on Friday, and revealed a brand-new blue and yellow colour scheme.
The Ferrari-powered C34, to be raced by the team's all-new driver line-up of Marcus Ericsson and Felipe Nasr, succeeds the disappointing C33 which last year became the first F1 car produced by the Swiss team not to score a single point
Lewis Hamilton and Nico Rosberg got their first taste of Mercedes' 2015 Formula One car as the reigning champion team completed their first day of running during a promotional event at Silverstone.
Rosberg was first to sample the F1 W06 Hybrid, with Hamilton then taking over - although a blizzard brought the day to a premature close, with the duo having completed 18 laps in total
Fernando Alonso and Jenson Button have expressed excitement about getting behind the wheel of McLaren's newly unveiled MP4-30, though both are acutely aware that developing the Honda-powered machine will not be easy.
Alonso, who re-joined McLaren from Ferrari over the winter, indicated that he's prepared for possible teething problems when he gets the Woking team's pre-season test programme underway in Spain on Sunday
McLaren have revealed the car that Fernando Alonso and Jenson Button will race in 2015, the Honda-powered MP4-30.
According to the British team, the new machine, which also features a revised colour scheme, is a 'thoroughly refined evolution' of their 2014 car with some 'exciting new technical DNA'
Force India have announced that they will not attend the first pre-season test of 2015 as was originally planned, and will instead shift their focus to the second and third tests at Barcelona.
The team had previously said they would run their 2014 car at the test, but will now skip it completely, saying: "learning opportunities would have been limited"
Williams have announced reigning GP3 Series champion Alex Lynn as their development driver for the 2015 season.
In this role, Lynn, 21, will undertake simulator duties to help with the development of Williams' new Mercedes-powered FW37 and to assist the Grove team's race engineers in setting up the car for each Grand Prix
Renault say they have achieved a 'fundamental' overhaul of their Formula One power unit ahead of the 2015 season, as they bid to reduce last year's performance deficit to Mercedes.
Managing director Cyril Abiteboul said sweeping changes have allowed Renault to make significant progress over the winter in terms of both reliability and performance, with the French manufacturer now targeting upwards of the three victories they scored in 2014
Sauber will launch their new Formula One car online on January 30, just two days before the first pre-season test of 2015 gets underway in Spain.
The Swiss team will unveil the Ferrari-powered C34 at 0900 GMT on the same day that Ferrari are also set to reveal their 2015 machine, the SF15-T
Ferrari have a wide scope in which they can find improvements and move back up the competitive order in 2015, according to technical director James Allison.
Ferrari struggled throughout 2014 - the Italian team's first winless F1 season since 1993 - as they failed to capitalise on sweeping regulation changes
Lotus have released pictures of their new Mercedes-powered E23 Hybrid car, which they are confident will prove 'far, far better' than its 2014 predecessor.
While the team will retain last year's line-up of Romain Grosjean and Pastor Maldonado, they believe the switch from Renault to Mercedes power, and the implementation of lessons learned from last year's struggles, will thrust them back to the sharp end of the Formula One grid
Jolyon Palmer may now stand the brink of realising a childhood dream after signing to be Lotus's third driver for 2015, but he also knows he will have to work harder than ever to turn his new role into a permanent drive.
In a candid interview, the 2014 GP2 champion sets out his goals for the forthcoming season and explains why joining Lotus was a 'no brainer', even if other third drivers haven't always capitalised on their roles
Ferrari's 2015 Formula One car will be designated the SF15-T, the team announced on Monday.
The new car, to be piloted by Sebastian Vettel and Kimi Raikkonen this season, will be unveiled online on Friday (January 30), two days ahead of its track debut at Jerez on February 1
The waiting is almost over - in a little under a week the covers will begin to come off a new crop of Formula One cars, and soon after that pre-season testing will start in earnest.
There's much to look forward to, from the first glimpse of McLaren's new MP4-30 - the team's first Honda-powered car since 1992 - to four-time world champion Sebastian Vettel's maiden outings for Ferrari
McLaren have confirmed that Fernando Alonso will give the new Honda-powered MP4-30 its maiden run when pre-season testing gets underway at Jerez on February 1.
The Spaniard, who is returning for his second stint at the Woking team in 2015, will also be behind the wheel on day three of the four-day test