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