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