Here is the full list of all 46 American Fugitive achievements. It takes around 20-25 hours to unlock all of the achievements on Windows.
Complete 'The Gift Horse.'
Complete a Time Trial.
Break into a house stealthily, steal $100 of goods, and make a clean getaway.
Jump a distance of 70 meters.
Tow a vehicle while it is occupied.
Reach a top speed of 160 mph.
Consume 10 pieces of wild food.
Escape from the prison.
Steal 200 cars.
Hold up 50 businesses.
Knock 5 people out with a toilet brush in 60 seconds.
Run over 10 civilians in a hearse in 60 seconds.
Cause 10 deaths in 30 seconds.
Find every hidden stash.
Complete every vehicle jump.
Find and sell all 20 paintings.
Complete every Time Trial.
Get Gold on every Time Trial.
Reach Port Providence.
Reach Ridge Plains.
Complete the story.
Ride a train around a loop of the track.
Kill someone with something that you are towing.
Drop a garbage bag at the dump.
Get Gold on a Time Trial without taking any vehicle damage.
Dispose of a body in a river or lake.
Pick up each type of flyer.
Earn $50,000 in lifetime earnings.
Drive at over 100 mph in a flaming car.
Complete 'A Quiet Moment.'
Complete 'Foul Play.'
Complete 'White Lines.'
Complete 'Rebel Without Wheels.'
Complete 'Supplies And Demand.'
Complete 'Two Wrongs Make A Right.'
Complete 'A Little Less Loyal.'
Fence more than $1000 worth of goods in one go.
Tow a flaming car.
Land a car on the roof of the bank in Twin Lakes.
Get Gold on a Time Trial.
Get Gold on 10 Time Trials.