He currently holds the title of Scottish Rally Champion, a title he has held for a record breaking four consecutive years.
At the end of season 2011, he was both Scottish and British Rally Champion, the first person ever to hold both titles simultaneously.
This result ensured he had enough points to be crowned British Rally Champion for the first time.
In the same year, he became South American Rally Champion.
Brock finished 3rd in the trial which was won by team mate (and former Australian Rally Champion) Ed Ordynski.
She was crowned European Ladies' Rally Champion five times (1958, 1960, 1962, 1964-65).
He is the 2010 Junior World Rally Champion.
In 1998 Petter became the Norwegian Rally Champion, his brother Henning won this title five times in a row between 1999 and 2003.
Between 1999 and 2003, he became the Norwegian Rally Champion for five years in a row.
In 2010 he became French Rally Champion in the 207 S2000.