Here is the full list of all 23 Turbo Dismount achievements. It takes around 15-20 hours to unlock all of the achievements on Windows.
Try everything once.
Perform 1000 decapitations.
Launch 1000 dismounts.
Nail it 100 times.
Drive through 1000 turbo pads.
Totally demolish all vehicles (that can be demolished).
Cut down 100 trees.
Customize Mr. Dismount or a vehicle.
Play a Steam Workshop level.
Cross the finish line on Skid Marks at 88mph.
Do ten strikes with the Bowling Pins.
Detonate ten mines in a single dismount on Run DMZ.
Pull ten somersaults in a single dismount.
Do a successful barrel roll and landing.
Launch three consecutive dismounts at max velocity.
Reach a height of 1000ft (305m) in Space Program.
Fully obliterate Mr. Dismount.
Reach a record time on Skid Marks.
Complete 100 dismounts with the Pink Lightning.
Totally demolish a single vehicle.
Lose only a single limb during a single dismount.
Get hit by five different NPC vehicles in T-Junction.
View a replay in slow motion.