According to Official Guinness Records,
The most expensive drum kit sold at auction is Ringo Starr's Ludwig drum kit, sold at $2,100,000 (£1,395,370, €1,934,890), including premium, at Julien's Auctions held in California, USA, on 5 December 2015.The Ludwig drum kit was said to have been used in at least 200 performances since it was purchased by Ringo Starr in 1962.
For a complete list of 2015 records, please visit 2015 Guinness Records in United States.