All three people who answered the question -- good job.
The answer is, of course, Kevin Harvick.
When adding the actual points over the 36 points paying races Kevin Harvick accumulated 5274 points for the season while his closest competitor accumulated 4989 points.
Kevin Harvick finished the season with an average finish of 8.667 which eclipsed by far his closest competitor by more than 3 positions.
Kevin Harvick finished the season with 26 top 10 finishes for the season which was three more than his closest competitor.