There are 88 achievements worth a total of 1200G in the game. Considering how important Achievements seem to be to a large part of the gaming community, in addition to this listing of the available Achievements that can be used as a tick-list, we also include a mini-guide in the Reference Section of this WTG offering tips and tricks for unlocking the more complicated ones. Just saying...
- Welcome to Forza Motorsport (5G) Complete the very first race.
- Start Your Engine (5G) Reach Driver Level 1.
- Up and Comer (10G) Reach Driver Level 3.
- Semi-Pro (10G) Reach Driver Level 5.
- Forza Lifestyle (15G) Reach Driver Level 10.
- Committed (20G) Reach Driver Level 20.
- Professional (20G) Reach Driver Level 30.
- Veteran (20G) Reach Driver Level 40.
- Forza Fifty (25G) Reach Driver Level 50.
- Centurion (25G) Reach Driver Level 100.
- Hall of Famer (25G) Reach Driver Level 150.
- Gold Medalist (5G) Earn 5 Gold Medals in Career races.
- Gold Fever (10G) Earn 10 Gold Medals in Career races.
- Gold Digger (10G) Earn 20 Gold Medals in Career races.
- Gold Rush (15G) Earn 30 Gold Medals in Career races.
- Golden (20G) Earn 50 Gold Medals in Career races.
- Pure Gold (20G) Earn 70 Gold Medals in Career races.
- Golden Century (20G) Earn 100 Gold Medals in Career races.
- Pot of Gold (25G) Earn 150 Gold Medals in Career races.
- Gold Bars (25G) Earn 300 Gold Medals in Career races.
- Golden Standard (25G) Earn 400 Gold Medals in Career races.
- Series Sweep (5G) Complete 5 Championship Series.
- Major League (10G) Complete 10 Championship Series.
- League Leader (15G) Complete 15 Championship Series.
- League King (20G) Complete 25 Championship Series.
- Championship Legend (25G) Complete 40 Championship Series.
- First Five (5G) Earn 5 medals in Multiplayer races.
- Pedal to the Medal (10G) Earn 10 medals in Multiplayer races.
- Trading Paint (10G) Earn 20 medals in Multiplayer races.
- Rubbing is Racing (15G) Earn 30 medals in Multiplayer races.
- The Big 5-0 (20G) Earn 50 medals in Multiplayer races.
- Medal Head (20G) Earn 70 medals in Multiplayer races.
- Precious Medals (20G) Earn 90 medals in Multiplayer races.
- Born Competitor (25G) Earn 110 medals in Multiplayer races.
- Heavy Medal (25G) Earn 200 medals in Multiplayer races.
- Full Medal Jacket (25G) Earn 325 medals in Multiplayer races.
- Follow Me (5G) Lead for a total of 50 miles in Multiplayer races.
- Born Leader (10G) Lead for a total of 200 miles in Multiplayer races.
- Eat My Dust (15G) Lead for a total of 350 miles in Multiplayer races.
- Pace Setter (20G) Lead for a total of 500 miles in Multiplayer races.
- Lead Dog (25G) Lead for a total of 1000 miles in Multiplayer races.
- My Kind of Car (5G) Reach Affinity level 1 with any car manufacturer.
- Brand Loyal (10G) Reach Affinity level 25 with any car manufacturer.
- Die-Hard (15G) Reach Affinity level 25 with any 2 Car Manufacturers.
- Fanatic (20G) Reach Affinity level 25 with any 4 car manufacturers.
- Factory Legend (25G) Reach Affinity level 25 with any 8 car manufacturers.
- Apex Ace (20G) Earn 300 perfect Turn scores.
- Artisan Tuner (20G) Earn 30,000 credits from the community using your tune setups.
- Caboose (0G) Finish last in a Multiplayer race.
- Color of Money (20G) Earn 30,000 credits from the community using your designs.
- Down to the Wire (0G) Pass for the lead and win on the last lap of a Multiplayer circuit race.
- Drifting Away (0G) Get 7,000 points in a single drift.
- Forza Triple Crown (20G) Complete the Le Mans Gold, Grand Prix Gold and Indy Gold achievements.
- Gone Viral (20G) Get 100 downloads across all of your shared photos.
- Good Citizen (0G) Share a paint job, car tune, or vinyl group with the public.
- Grand Prix Gold (0G) Earn a gold medal in a modern Grand Prix Car on Yas Marina Full Circuit.
- Head Over Heels (0G) Flip your car.
- Indy Gold (0G) Earn a gold medal in a modern Indy Car on Indianapolis Brickyard Speedway.
- Le Mans Gold (0G) Earn a gold medal in a Prototype1 race car on Le Mans Full Circuit.
- Master Tuner (15G) Earn 15,000 credits from the community using your tune setups.
- Movin' Up (20G) Earn 125 perfect Pass scores.
- Museum Quality (15G) Earn 15,000 credits from the community using your designs.
- New Wallpaper (10G) Get 50 downloads across all of your shared photos.
- Not Just for Show (0G) Race 10 of your personal Ferrari.
- Painting By Numbers (10G) Earn 1,000 credits from the community using your paint jobs.
- Patron of the Arts (0G) Like a Livery, Tune Setup, or Vinyl Group.
- Photo Finisher (0G) Win a Multiplayer circuit race by less than 1 second.
- Pro Tuner (10G) Earn 1,000 credits from the community using your tune setups.
- Rarified Air (25G) Complete the Spring Break, Red and Bleu!, and Snake Bit achievements.
- Red and Bleu! (0G) Drive a 1957 Ferrari Testa Rossa on Le Mans Old Mulsanne Circuit.
- Sidewinder (20G) Earn 20 perfect Drift scores.
- Silver and Gold (0G) Earn gold at Silverstone Grand Prix Circuit in a 2013 McLaren P1 and 2010 Aston Martin One 77.
- Slipstreamer (20G) Earn 20 perfect Drafting scores.
- Snake Bit (0G) Beat a Ferrari in a 1965 Shelby Cobra Daytona Coupe.
- Some Say... (0G) Beat Stig's Digital Cousin.
- Spring Break (0G) Drive a 1962 Ferrari GTO on Sebring Full Circuit.
- Start to Finish (0G) Finish a race in 4 different Multiplayer Hopper categories.
- What a Rush (0G) Earn a gold medal in the 1976 Ferrari #1 Scuderia and the 1976 McLaren #11 M23.
Long Beach Circuit DLC (FREE)
The LBC DLC includes a total of 10 additional Achievements worth 200G.
- Panoramic (25G) Drive 300 miles on Bathurst in the #10 Holden Xbox Racing Team Commodore VF.
- Long Beach 101 (10G) Earn a gold medal on Long Beach Full in Career, Multiplayer, and Free Play.
- Career Minded (25G) Earn 20 Gold Medals on Long Beach in Career.
- Beach Hopper (25G) Race in 50 Multiplayer events on Long Beach.
- Long Time Rivals (25G) Finish 25 Long Beach Rivals events.
- Grand Prix Veteran (25G) Drive 300 miles on Long Beach Full Circuit in a modern Indy car.
- West Coast Gold (10G) Earn 5 Gold Medals on Long Beach in a 1964 Chevrolet Impala.
- Celebrity Style (10G) Race on Long Beach Full in a Scion tC or Toyota GT86.
- California Drifter (20G) Finish the California Drifter Rivals event having earned 15,000 drift points in one lap.
- Long Beach Customs (25G) Earn 25 Gold Medals on Long Beach in Free Play.
There will almost certainly be more Achievements and G added to the game as it expands in Tracks and special events DLC so keep checking back...