Here is the full list of all 49 F1 2014 achievements. It takes around 30-35 hours to unlock all of the achievements on Windows.
Set a clean lap time in Time Trial.
Complete the Evaluation Test.
Finish a race using a custom car setup.
Win a race with all driver assists disabled.
Complete a 25%+ distance race.
Complete your first race in Career.
Use a Flashback.
Be recommended for the hardest preset Difficulty in the Evaluation Test.
Perform a Mid-Session Save.
Set a valid lap time in One-Shot Qualifying.
Take pole position in One-Shot Qualifying.
Finish a race at every circuit.
Complete your first Season Challenge race.
Win your first race in Season Challenge.
Pass all of your objectives over a race weekend in Season Challenge.
Beat your first rival in Season Challenge.
Beat four rivals in one season in Season Challenge.
Stay with the same team through the whole season in Season Challenge.
Return to your starting team in Season Challenge.
Race for five different teams in Season Challenge in a single season.
Complete Season Challenge.
Win the Drivers' Championship in Season Challenge.
Set the fastest lap time in every session of a long race weekend in Career.
Win the Drivers' Championship in Season Challenge on hard difficulty.
Win your first race in Career.
Take pole position in Career.
In Career, qualify last, but finish first.
Move to another team mid-season in a long Career.
Complete a Short Season in Career.
Win the Drivers’ World Championship in a Short Season Career.
Complete a Medium Season in Career.
Win the Drivers’ World Championship in a Medium Season Career.
Complete a Full Season in Career.
Win the Drivers’ World Championship in a Full Season Career.
Win the Constructors' Championship in Career.
Set clean lap times at 10 different circuits in Time Trial.
Set a time in any Time Attack scenario.
Set a time in all of the Time Attack scenarios.
Earn a Gold medal in all of the Time Attack scenarios.
Earn a medal in Scenario mode.
Earn every Bronze medal in the very easy set in Scenario Mode.
Earn every Bronze medal in the easy set in Scenario Mode.
Earn every Silver medal in Scenario Mode.
Earn every Gold medal in Scenario Mode.
Complete a race in Split-Screen.
Complete your first race online.
Complete 25 online races.
Complete 50 online races.
Win the Drivers' or Constructors' Championship in Co-op.