The 2021 BMW X4 xDrive20d MHT M Sport is a luxury "Sports Activity Coupe" that balances athletic styling with a fuel-efficient mild-hybrid diesel engine. In 2021, this model was part of a mid-life facelift that introduced more aggressive exterior design and upgraded interior technology as standard. Engine & Performance Mild Hybrid Technology (MHT): Features a 48V starter-generator that recovers energy during braking to support the electrical system and provide an 11hp (8kW) boost during acceleration. Engine: 2.0L 4-cylinder TwinPower Turbo diesel engine. Output: 190hp (187bhp) and 400Nm of torque. Drivetrain: xDrive intelligent all-wheel drive paired with an 8-speed Steptronic automatic transmission with gearshift paddles. Performance: 0–62 mph in 7.9 seconds with a top speed of 132 mph. Standard M Sport Features Exterior: M Aerodynamic Bodystyling: Includes revised front and rear bumpers, side skirts, and a rear diffuser in high-gloss black. High-Gloss Shadowline: Black exterior trim on window surrounds and B-pillars. Wheels: Typically 19-inch M Light Double-spoke alloy wheels (Style 698 M) as standard. Lighting: Adaptive LED headlights and 3D LED rear lights. Interior & Tech: BMW Live Cockpit Professional: A 12.3-inch digital instrument cluster and a 12.3-inch central touchscreen running iDrive 7. Connected Package Professional: Includes built-in Sat-Nav, Apple CarPlay, Android Auto, and real-time traffic information. Seating: Front sports seats in Vernasca leather with heating and lumbar support. Steering: M Sport multi-functional leather steering wheel and Variable Sport Steering for improved handling. Convenience & Safety Parking Assistant: Includes front/rear sensors and a reversing camera as standard. Driving Experience Control: Allows switching between ECO PRO, Comfort, and Sport modes. Active Guard Plus: Standard safety suite with front collision warning and lane departure warning. Practicality: 525-litre boot space (expanding to 1,430L with seats folded) and an automatic electric tailgate. Common Optional Packs Technology Pack: Often includes a Head-Up Display, Harman Kardon surround sound, Gesture Control, and wireless charging. M Sport Pro Pack: Adds larger 20-inch wheels, M Sport brakes with blue or red calipers, M Sport seatbelts, and sun protection glass. Comfort Pack: Features Comfort Access (keyless entry), a heated steering wheel, and extended storage