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