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