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The latest BMW M4 Competition xDrive Convertible proves that even a luxurious drop-top can offer serious performance upgrades. Powered by a 3.0-litre twin-turbo inline-six delivering 523 horsepower and 479 lb-ft of torque, this refreshed model unleashes 20 extra horses over its predecessor while retaining the same impressive torque figure.
In testing, it effortlessly launched from 0–60 mph in a blistering 3.2 seconds before clearing the quarter mile in 11.3 seconds at a trap speed of 122.8 mph. All-wheel-drive traction and a responsive eight-speed automatic help convert every ounce of power into authoritative straight-line speed, while the rousing engine note and swift gear changes further enhance the driving experience.
Track-focused M models often chase minimal weight. However, the M4 Competition xDrive Convertible remains commendably agile despite accommodating a folding cloth roof and all the structural bracing required for open-air driving. Thanks to a balanced chassis, potent brakes, and direct steering, it offers measured cornering ability with only a hint of understeer at the limit.
It also maintains a composed ride at moderate speeds, delivering a secure and robust feel whether the top is raised or lowered. The fabric roof moves swiftly at the press of a button, and despite the drop-top’s additional mass, the car exhibits minimal flex or chassis quiver over uneven roads. When pushed hard, the transmission’s sport settings occasionally hesitate to downshift, but overall, they match the engine’s potent character, giving the driver ample confidence to explore the convertible’s limits.
Beyond its dynamic credentials, the M4 Competition xDrive Convertible also shines as a cruiser, offering a well-insulated cabin, a sleek silhouette, and an interior designed for comfort and capability. Four-seat convertibles with strong performance are increasingly rare, and BMW’s decision to keep this model in the lineup ensures fans can still savour wind-in-the-hair motoring matched with true M power.
