The 2021 Buick Envision is offered in several trim level all powered by a 2.0L turbocharged 4-cylinder that makes 230 horsepower and 258 lb-ft of torque. In these trims, front-wheel-drive is standard, though all-wheel-drive is optional, with power supplied through a 9-speed automatic transmission. The Base Envision and Preferred trims offer standard 18-inch alloy wheels, LED headlights, daytime running lights, a rear vision camera with parking assist, premium cloth seating surfaces, Buick IntelliLink with phone integration, 4G WiFi hotspot capability and more. The Essence trim adds chrome roof rails, perforated leather seating with heated front and rear seats, a hands-free power liftgate, dual-zone automatic climate control, 8-way power-adjustable front seats with a memory system for the driver's seat and mirrors, a heated leather steering wheel, and alerts for blind spots and lane changes. In the Premium trim, buyers get standard all-wheel drive, 20-inch alloy wheels, a 9-speaker sound system, an 8-inch color driver information display, forward collision alert and a lane departure warning with lane keep assist. Options on the Buick Envision include a power-sliding panoramic moonroof and adaptive cruise control. Buick has paid particular attention to the safety features available on the Envision. Beyond the expected airbags, anti-lock brakes, traction control and stability control, the Envision offers a strong set of safety enhancements across the range. Lane keep assist, blind spot warning, a rear cross traffic alert system, a rearview camera and a Safety Alert Seat, which pulses to alert the driver of a possible crash are all standard. The Buick Envision is also available with a surround vision system, which uses various cameras mounted around the vehicle to give the driver an unobstructed view of its surroundings.