[1] Tesla vs Top Gear, well documented by Tesla http://www.teslamotors.com/teslavstopgear
[2] NY Times piece in question: http://www.nytimes.com/2013/02/10/automobiles/stalled-on-the...
Edit: removed date of lawsuit per comment below
It was in 2011(http://www.engadget.com/2011/03/30/tesla-sues-top-gear-for-l... ), and it was over a largely positive feature on the roadster that aired in 2008.
[1] Tesla vs Top Gear, well documented by Tesla http://www.teslamotors.com/teslavstopgear
[2] NY Times piece in question: http://www.nytimes.com/2013/02/10/automobiles/stalled-on-the...
Edit: removed date of lawsuit per comment below