Warwickshire Police is appealing for witnesses to a single vehicle collision near Kenilworth.
It happened on the A46 Stoneleigh to Thickthorn southbound carriageway shortly after 4am on Friday (December 16) and involved a black Seat Altea.
Two men in their 20s were taken to hospital and one has serious injuries, which are believed to be life-threatening.
Officers are appealing for anyone who may have been within the area at the time of the incident to come forward. They are also keen to speak to people who saw the car and the manner in which it was being driven before the collision.
Anyone with information is asked to call Warwickshire Police on 101 or Crimestoppers anonymously on 0800 555 111 quoting incident 43 of December 16.
Issued: 4.50pm, Friday December 15, Laura Maltby, Corporate Communications