Used 2020 BMW 8 Series Convertible Trims Comparison

The 840i models are powered by a turbocharged 3.0-liter inline-six (335 horsepower, 368 lb-ft of torque). The standard 840i is rear-wheel-drive, while the xDrives are all-wheel-drive. The M850i's turbocharged 4.4-liter V8 (523 hp, 553 lb-ft) sends power to all four wheels. An eight-speed automatic is standard across the board.

Standard feature highlights on the 840i include adaptive dampers, a power trunklid, soft-close doors, and forward collision warning with automatic emergency braking. The convertible adds a power-folding cloth top, and all-wheel-drive models add all-wheel steering (optional for the rear-drive 840i).

Inside, you get a head-up display, leather upholstery, heated front seats, a heated steering wheel, interior ambient lighting, Apple CarPlay, a 10.25-inch touchscreen, a navigation system and a 16-speaker Harman Kardon audio system.

In addition to the more powerful engine, the M850i adds 20-inch wheels, upgraded brakes, an aerodynamic body kit, a sportier suspension tune, an M Sport differential, and upgraded sport seats with ventilation.

BMW's options packages for the 8 Series primarily consist of advanced driver safety features. The two main ones are the Driving Assistance package (parking sensors, a 360-degree parking camera, lane keeping assist and an automated parking system) and the Driving Assistance Professional package (adaptive cruise control and added semi-automated driving assist functionality). The coupe is also eligible for the Cooling and High Performance Tire package (upgraded engine cooling and tires for high-performance applications).

Other notable options include a carbon-fiber roof, a gear selector and select controls in faceted glass, and a Bowers & Wilkins premium audio system.