According to Official Guinness Records,
The most consecutive donuts (spins) in a car is 280 and was achieved by Jamie Morrow (UK) driving a Westfield Sport 1600 at the Silverstone Race Circuit in Bedfordshire, UK, on 4 September 2011.
The record attempt was made at "Trax - The Ultimate Performance Car Event" in front of an estimated audience of 5,000 people.
For a complete list of 2011 records, please visit 2011 Guinness Records in United Kingdom.