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