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