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