The Faster, Baby! Add-on for Mafia III: Definitive Edition has 10 achievements worth 320 gamerscore.
Complete "Concerned Citizens"
Fully upgrade the Grow House
Reach the Max Herbalism level
Sell a single batch of weed for $10,000 or more
Destroy 10 of Slim's re-election billboards
Kill 30 enemies using Proximity Mines
Complete "Ain't Nowhere Safer"
Successfully trigger 10 Vehicle Traps
Complete "Kickin' Up Dust"
Complete "Another Brother Falls"