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