The appearance package adds a Satin Black Ice-toned grille and 20-inch chrome-clad wheels with Satin Black Ice accents. It is available on the Leather and Premium trims.
Other standard features include a heated steering wheel, power liftgate and rearview camera.
Pricing will be announced closer to the launch date.
"The Sport Touring Edition is a great update for our flagship crossover SUV as the Buick family continues to grow this year," said Duncan Aldred, vice president of Global Buick in a statement on Thursday.
The 2016 Buick Envision compact SUV joins the Buick SUV lineup this year.
Edmunds says: The new Enclave Sport Touring Edition will spice up Buick showrooms this summer.