Possible Clues:

• Star rode around in open car
• Open-bodied antique auto
• Roll around outskirts of Ashford in sporty vehicle
• Car delayed first during very hot day
• Sort of car trader so troubled
• Open-top car
• Open-top car seen in roll without notice
• Car or bicycle that's merely a number in the list
• Model T model
• Notice, in list, sporty car