clunker vs quad bike

clunker

noun
  • A decrepit motor car. 

  • Anything which is in poor condition or of poor quality. 

quad bike

noun
  • A small off-road four-wheeled powered vehicle, especially of a design derived from a motorcycle, usually used for recreation or farm work. 

How often have the words clunker and quad bike occurred in a corpus of books? (source: Google Ngram Viewer )