Drinkwater and Vardy have been teammates for almost four years now, and the former Manchester United man insists that the striker’s work rate and pace is of no surprise to him anymore.
However, Drinkwater does suggest that Vardy has started to add more quality than ever before to his game.
"He puts defenders on the back foot, creates space for others and, when he gets the ball in behind, more than likely he is going to score," Drinkwater said.
“I've been training with him for years and he's always had that pace. But his quality now, and the way he puts that ball in the back of the net, is a credit to him."
Vardy has enjoyed a whirlwind season this term, and he has established a reputation as one of the most feared front men in England.
The 28-year-old broke a Premier League record by scoring in 11 games in succession, and he has continued to hit the back of the net throughout the campaign.
Vardy has now scored 19 times in England’s top flight this term, putting him in second place in the top goalscorers chart behind Harry Kane.
The former Fleetwood Town man also netted his first two goals for England during the most recent international break, which has surely confirmed his place in the Three Lions’ squad for EURO 2016.
Drinkwater also played in England’s latest friendly defeat against Holland.