Preferred
Even the entry-level Envision comes generously equipped. Standard equipment includes:

18-inch wheels
Adaptive headlights (swivel as you turn the steering wheel for better illumination in curves)
Heated side mirrors
Synthetic leather upholstery
Power-adjustable driver's seat
Nine-speaker Bose sound system
30-inch digital dashboard with voice control
Google built-in
Wireless Apple CarPlay and Android Auto
Wireless phone charging
A comprehensive suite of active safety features also come standard, including:

Adaptive cruise control (maintains a driver-set distance between the Buick and the car in front; can also react to traffic signs and set speed)
Forward collision warning with automatic braking (warns you of an impending collision and applies the brakes in certain scenarios)
Intersection collision mitigation (warns you of an impending collision during a left turn and applies the brakes in certain scenarios)
Blind-spot intervention (automatically steers the car back into its lane if you try to change lanes while a car is in the vehicle's blind spot)
Lane keeping assistance (steers the Envision back into its lane if it begins to drift over the lane marker)
Rear cross-traffic warning (alerts you if a vehicle behind you is about to cross your path while you're in reverse and can apply the brakes automatically to avoid a collision with an approaching vehicle)
Head-up display (displays important information in your sight line on the windshield)
360-degree camera system (gives you a top-down view of the Envision and its surroundings in tight parking situations)
Sport Touring
Includes all of the Preferred equipment, plus:

20-inch dark-finish wheels
Black roof rails
Dark exterior trim
Leather seats
Flat-bottom steering wheel