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.
Fully Completed the Masters Championship
Fully Completed the Forza Driver's Cup Championship
Completed 100 laps in Multiplayer
Collected 500 cars
Shared a Replay
Collected 300 cars
Shared a Photo
Bought a car in the Auction House
Unlock 100 Driver Gear suits
Unlock 50 Driver Gear suits
Fully Completed the Breakout Championship
Completed 50 laps at night
Fully Completed the Seeker Championship
Own the 2018 Porsche 911 GT2 RS
Completed the Forza Driver's Cup
Completed the Masters Championship
Unlock 25 Driver Gear suits
Collected 100 cars
Reached Car Collector Tier 8
Completed the Domination Championship
Reached Car Collector Tier 7
Earned 500,000 credits from Mods
Equipped and Fully Used 50 Mods
Completed the Evolution Championship
Acquired 50 Mods
Reached Car Collector Tier 6
Completed the Breakout Championship
Reached Car Collector Tier 5
Completed the Seeker Championship
Unlock 10 Driver Gear suits
Reached Car Collector Tier 4
Reached Car Collector Tier 3
Used your first Mod
Reached Car Collector Tier 2
Completed a race in every Rain Weather Scenario
Completed your first race
Sell a car in the Auction House
Collect 700 cars
Fully Complete the Evolution Championship
Fully Complete the Domination Championship
Complete all Showcase Events in the Forza Driver's Cup
Finish an event and complete all challenges with 3 Legendary Mods
Complete a race in the 1998 Porsche 911 GT1 Strassenversion on Maple Valley
Complete a race in the 2014 Ferrari FXX K on Mugello
Complete a race in the 2017 Nissan GT-R on Suzuka
Complete a race with every car from Porsche
Drive faster than 250 mph in any car
Create your own weather forecast in Freeplay
Complete the Spa-Francorchamps 100 showcase event with Extra Long Race Length enabled.
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
Enter Test Drive in any car
Complete 50 laps at night in Multiplayer
Complete 50 laps in the rain in Multiplayer
Complete 300 laps 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