NATIONAL Car Rental has been appointed official car supplier to the 1999 Martell Grand National - the highlight of this weekend's three-day Aintree race meeting.

The company has extended its agreement with Aintree Racecourse for the second consecutive year. National Car Rental will provide a fleet of 29 courtesy vehicles including Vauxhall Sintras, Fronteras, Omegas and Vectras.