BMW M4

2026 BMW M4 COMPETITION M XDRIVE CONVERTIBLE (G83) — UK MARKET SPECIFICATION

Engine and Drivetrain

The M4 Competition M xDrive Convertible uses the S58 M TwinPower Turbo 3.0-litre twin-turbocharged inline-six petrol engine of 2,993 cc, producing 390 kW (530 PS / 523 bhp) at 6,250 rpm and 650 Nm between 2,300 and 5,500 rpm. An eight-speed M Steptronic automatic transmission with Drivelogic drives the M xDrive all-wheel-drive system, with an Active M Differential on the rear axle and selectable 4WD, 4WD Sport and rear-wheel-drive 2WD modes.

Chassis, Steering and Brakes

Adaptive M suspension with electronically controlled dampers, M Servotronic variable-ratio steering and M Compound brakes, with additional body reinforcement to compensate for the open roof structure. Dynamic Stability Control operates with ABS, Dynamic Traction Control, Cornering Brake Control and Dynamic Brake Control, alongside M Traction Control with ten stages of wheel-slip adjustment and the configurable M Drive Professional, M Dynamic Mode and M Setup systems.

Dimensions and Capacities

The car measures 4,801 mm long, 1,887 mm wide excluding mirrors and 2,081 mm across the mirrors, and 1,399 mm tall, on a 2,857 mm wheelbase. EC unladen weight is 2,010 kg and permissible gross weight is 2,345 kg, giving a payload of 410 kg. Luggage capacity is 385 litres and fuel tank capacity is 59 litres.

Performance

BMW quotes 0-62 mph in 3.7 seconds, or 3.4 seconds measured with the one-foot rollout method, and an electronically limited top speed of 155 mph. Combined WLTP fuel consumption is 26.9 to 27.2 mpg and combined WLTP carbon dioxide emissions are quoted as a range of 239 to 237 g/km, so no single homologation figure is recorded against this car.

Exterior

Finished in Techno Violet BMW Individual paint, with the electrically operated fabric folding roof, adaptive LED headlights with High-Beam Assistant, BMW Individual high-gloss Shadowline trim, the M kidney grille with double bars and M-specific aprons.

Interior and Seating

Four-seat open cabin with M Sport seats, electric adjustment and memory, heated front seats, an M leather steering wheel, ambient interior lighting and M-specific instrument graphics. The interior colour was not published by the selling dealer and should be confirmed before order.

Infotainment and Connectivity

BMW Live Cockpit Professional with the BMW Curved Display and BMW Operating System 8.5, wireless Apple CarPlay and Android Auto, DAB digital radio, the BMW Intelligent Personal Assistant and BMW Maps cloud navigation.

Driver Assistance and Safety

Driving Assistant, Parking Assistant with Reversing Assistant, front and rear Park Distance Control, a reversing camera, Frontal Collision Warning with braking intervention, Lane Departure Warning, Speed Limit Info and cruise control with braking function. Passive protection covers driver, front passenger and side airbags, head-thorax airbags, the automatic rollover protection system, three-point belts with pretensioners and force limiters, ISOFIX mounts and tyre pressure monitoring.

Provenance

Registered 2025, one owner from new. The selling dealer did not publish a full option list, so the equipment above beyond the named packages is the model's UK standard specification.