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