2019-2020 BMW 8 Series Gran Coupe (G16) M850i V8 (530 Hp) xDrive Steptronic

The BMW M850i xDrive, part of the G16 8 Series Gran Coupe lineup, represents BMW’s foray back into the large, luxurious coupe market. Introduced in June 2019 and produced through 2020, this model aimed to blend high performance with sophisticated comfort and technology. It served as the performance flagship of the 8 Series Gran Coupe range, positioned above the 840i and offering a more potent alternative to competitors like the Mercedes-Benz S-Class Coupe and Porsche Panamera. The M850i xDrive distinguished itself with its powerful V8 engine, standard all-wheel drive, and a host of luxury features.

Technical Specifications

INTRODUCTION

The BMW M850i xDrive Gran Coupe, launched in 2019, represents a significant offering in the luxury performance segment. Built on the G16 platform, shared with the 8 Series Coupe and Convertible, the Gran Coupe variant adds four-door practicality without sacrificing the elegant styling and dynamic driving experience. The M850i, as the top-tier model, was designed to compete directly with grand tourers from Porsche and Mercedes-Benz, offering a blend of power, luxury, and technology. It was produced for a relatively short period, ending production in 2020, making it a relatively exclusive vehicle within the 8 Series lineup.

Powertrain & Engine Architecture

At the heart of the M850i xDrive lies BMW’s N63B44D 4.4-liter twin-turbocharged V8 engine. This engine, a member of the modular BMW engine family, utilizes direct fuel injection and BMW’s VALVETRONIC variable valve timing system. The twin-scroll turbochargers are positioned within the V of the engine, contributing to a more compact design and improved responsiveness. The engine produces 530 horsepower at 5,500-6,000 rpm and a substantial 750 Nm (553 lb-ft) of torque between 1,800 and 4,600 rpm. This broad torque curve provides effortless acceleration in virtually any gear. The engine is paired with BMW’s 8-speed Steptronic automatic transmission, known for its smooth and quick shifts. The ‘xDrive’ designation indicates BMW’s intelligent all-wheel-drive system, which typically operates with a rear-wheel bias for a more engaging driving experience, but can dynamically distribute power to the front wheels for enhanced traction when needed.

Driving Characteristics

The M850i xDrive delivers a driving experience that is both refined and exhilarating. The combination of the powerful V8 engine and the all-wheel-drive system results in a 0-60 mph time of just 3.7 seconds, and a limited top speed of 155 mph. The 8-speed automatic transmission is well-tuned, providing seamless gear changes and contributing to the car’s overall smoothness. While the M850i isn’t as overtly sporty as some of BMW’s M-branded vehicles, it offers a substantial amount of performance and a comfortable ride quality. The xDrive system provides excellent grip in all weather conditions, enhancing confidence and stability. Compared to the 840i, which uses a turbocharged inline-six engine, the M850i offers significantly more power and torque, resulting in noticeably quicker acceleration and a more authoritative feel.

Equipment & Trim Levels

The M850i xDrive came standard with a comprehensive list of luxury and technology features. Standard equipment included leather upholstery, heated and ventilated front seats, a premium sound system, a large infotainment display with iDrive controller, and a suite of advanced driver-assistance systems such as adaptive cruise control, lane departure warning, and automatic emergency braking. Optional extras included a Bowers & Wilkins Diamond Surround Sound System, massaging seats, a head-up display, and various cosmetic enhancements. Interior trim options included a range of wood veneers and aluminum accents. The Gran Coupe body style offered increased rear passenger space compared to the Coupe, enhancing practicality for passengers.

Chassis & Braking

The M850i xDrive features a sophisticated chassis designed to balance comfort and handling. The front suspension utilizes a double-wishbone design, while the rear employs an independent multi-link setup. Adaptive dampers are standard, allowing the driver to adjust the ride quality to suit their preferences. The braking system consists of ventilated discs at all four corners, providing ample stopping power. The car also features BMW’s Dynamic Stability Control (DSC) system, which helps to maintain stability during cornering and emergency maneuvers. The standard tire size is 245/35 R20 at the front and 275/30 R20 at the rear, mounted on 8J and 9J alloy wheels respectively.

Market Reception & Comparison

The M850i xDrive was generally well-received by automotive critics, who praised its powerful engine, luxurious interior, and refined driving experience. However, some reviewers noted that the car’s size and weight could make it feel less agile than some of its competitors. Compared to the 840i, the M850i offered a significant performance upgrade, but at a higher price point. Fuel economy, while respectable for a V8-powered grand tourer, was not a strong point, with combined figures around 23.8-23.5 mpg. Reliability reports have been generally positive, although the complexity of the engine and its associated systems means that maintenance costs can be relatively high.

Legacy

The BMW M850i xDrive Gran Coupe, despite its short production run, has established itself as a desirable vehicle in the used car market. Its combination of performance, luxury, and technology continues to appeal to buyers seeking a high-end grand tourer. The N63B44D engine, while complex, has proven to be relatively durable when properly maintained. As a relatively rare model, the M850i xDrive is likely to hold its value well in the coming years, appealing to collectors and enthusiasts alike. It represents a high point in BMW’s recent history, showcasing the brand’s engineering prowess and commitment to creating exceptional driving machines.