Motoring Crossword

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Across
  1. 4. Netherlands racing circuit surrounded by sand dunes (9)
  2. 6. These regularly appear in the roads every winter (8)
  3. 7. Former German brand who produced the Hansa and Isabella models (8)
  4. 9. Mechanical device for changing gear (6)
  5. 13. Surname of the winner of the 1958 Formula 1 championship (8)
  6. 15. Darracq star of 1953 film of the same name (9)
  7. 16. Former Yugoslavian brand known here as Yugo (7)
  8. 17. American Ford model built from 1955 to 2005 (11)
  9. 20. Brand once known for its pepper grinders (7)
  10. 21. Country home to the prancing horse (5)
  11. 22. Four letter word found on octagon shaped road sign (4)
Down
  1. 1. Former Birmingham factory which produced MG and Rover products (10)
  2. 2. The first one in the UK opened in 1958 (8)
  3. 3. German city home to both Mercedes and Porsche (9)
  4. 5. The background colour of our tourist road signs (5)
  5. 8. Surname of current Secretary of State for Transport (8)
  6. 10. Vauxhall’s Sierra rival launched in 1981 (8)
  7. 11. A rather ‘fruity’ model from Datsun/Nissan (6)
  8. 12. Goodwood’s county (4,6)
  9. 14. Dacia’s home country (7)
  10. 18. Brand associated with the Variomatic transmission (3)
  11. 19. Breakdown service formed in 1897 (abbrev.) (3)