Full list of all 62 Forza Motorsport 7 achievements worth 1,000 gamerscore. It takes around 120-150 hours to unlock all of the achievements on Xbox One.
Completed a race in every Rain Weather Scenario
Collected 700 cars
Sold a car in the Auction House
Bought a car in the Auction House
Completed 300 laps in Multiplayer
Completed a race on every track in Multiplayer
Fully Completed the Forza Driver's Cup Championship
Fully Completed the Masters Championship
Fully Completed the Domination Championship
Beat 10 Rivals while running with no Assists
Fully Completed the Evolution Championship
Collected 500 cars
Earned 50,000 credits from the community using your Tune
Completed the Spa-Francorchamps 100 showcase event with Extra Long Race Length enabled.
Fully Completed the Breakout Championship
Completed a race with every car from Porsche
Fully Completed the Seeker Championship
Collected 300 cars
Unlock 100 Driver Gear suits
Completed 50 laps in the rain in Multiplayer
Completed 100 laps in Multiplayer
Unlock 50 Driver Gear suits
Completed all Showcase Events in the Forza Driver's Cup
Unlock 25 Driver Gear suits
Own the 2018 Porsche 911 GT2 RS
Completed the Forza Driver's Cup
Completed the Masters Championship
Completed 50 laps at night in Multiplayer
Won a race with no Assists turned on in a Multiplayer race
Completed 50 laps at night
Collected 100 cars
Started last and finished first in a Multiplayer race with 24 cars
Reached Car Collector Tier 8
Completed the Domination Championship
Reached Car Collector Tier 7
Earned 50,000 credits from the community using your Design
Drove faster than 250 mph in any car
Won a race with Unbeatable Drivatar Difficulty
Reached Car Collector Tier 6
Completed the Evolution Championship
Equipped and Fully Used 50 Mods
Acquired 50 Mods
Earned 500,000 credits from Mods
Reached Car Collector Tier 5
Completed the Breakout Championship
Reached Car Collector Tier 4
Completed the Seeker Championship
Finished an event and complete all challenges with 3 Legendary Mods
Unlock 10 Driver Gear suits
Reached Car Collector Tier 3
Shared a Photo
Completed a race in the 1998 Porsche 911 GT1 Strassenversion on Maple Valley
Completed a race in the 2014 Ferrari FXX K on Mugello
Completed a race in the 2017 Nissan GT-R on Suzuka
Used your first Mod
Created your own weather forecast in Freeplay
Entered Test Drive in any car
Shared one of your Paints
Shared one of your Tunes
Reached Car Collector Tier 2
Shared a Replay
Completed your first race