Hill led from start to finish and used his pole position to build up an early advantage at the wheel of his West Surrey Racing-run BMW 330e M Sport while Sutton worked his way through from sixth on the grid.
The three-time champion was up to third within the first few corners, before the race went under a brief safety car – Jade Edwards had been edged wide as she ran side by side with Sam Osborne on the run out of McIntyres, and slewed across the road to make gentle contact with the chicane barrier.
