The duo drove "a factory entered Hillman Imp" as one of 159 cars participating from sixteen countries in the April 1965 rally that covered roughly 1,800 miles (2 900 km).

[4] Smith was controversially disqualified from the 1966 Monte Carlo Rally after winning the Coupe des Dames, the ladies' class.

Arlene Francis, Mark Goodson, Ginger Rogers, and Bennett Cerf were on the panel and successfully guessed her "line" as a rally driver.

[6] She established an Irish land speed record of 156.101 mph on the Carrigrohane Straight in Cork in June 1978, driving a seven-litre Jaguar XJ6.

On 10 May 2017, she did a test drive with the show car of Renault F1 on the Circuit Paul Ricard as part of a filming day.