In the build-up to the 2016 Summer Paralympics in Rio, Sugar travelled to Doha to compete at her second World Championships. She was selected by the Great Britain management to co-captain the team, along with middle-distance runner Paul Blake. Sugar only competed in the 100 metres event, and her time of 14.86, way outside her personal best, was not enough to get her through the heats. The following year brought a return to success with two medals at the 2016 IPC Athletics European Championships in Grosseto. She won a bronze in the 200m and a silver in the 200m, just a tenth of a second behind the winner Irmgard Bensusan of Germany. In July Sugar was confirmed as a member of the Great Britain team to compete at the Rio Paralympics.