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