Here is the full list of all 20 Cranks and Goggles achievements. It takes around 6-8 hours to unlock all of the achievements on Windows.
Collect all cars in the game
Win all time trial events
Buy an Odenheimer
Acquire Glitzer bonus car
Win World Championship (golden)
Complete the game by winning all races (Golden)
Win all single race events in the game (golden)
Win Kaufenburgring (golden)
Collect 4 italian cars
Win HM cup (golden)
Win St.Laurent Race (golden)
Buy your first French car
Win Mediterranean Championship (golden)
Break the speed record
Make your first upgrade
Buy your first British car
Win European Gentleman Cup (golden)
Win all racing events in any class (golden)
Win your first race (golden)
Create your race avatar