Research 2021 BMW X4 M specs for the trims available. Choose the desired trim / style from the dropdown list to see the corresponding specs.

X4 M Sports Activity Coupe


Front Brake Rotor Diam x Thickness (in) 15.6
Brake Type 4-Wheel Disc
Rear Brake Rotor Diam x Thickness (in) 14.6
Disc - Front (Yes or ) Yes
Drum - Rear (Yes or )
Rear Drum Diam x Width (in)
Brake ABS System 4-Wheel
Disc - Rear (Yes or ) Yes

Cargo Area Dimensions

Cargo Volume to Seat 2 (ft³) 18.5
Cargo Volume to Seat 1 (ft³) 50.5
Cargo Volume to Seat 3 (ft³) 18.5


Tons/yr of CO2 Emissions @ 15K mi/year 11.1


Fuel System Gasoline Direct Injection
SAE Net Horsepower @ RPM 473 @ 5600
Displacement 3.0 L/183
Engine Order Code
Engine Type Twin Turbo Premium Unleaded I-6
SAE Net Torque @ RPM 442 @ 2600

Exterior Dimensions

Width, Max w/o mirrors (in) 75.9
Min Ground Clearance (in) 8
Track Width, Rear (in) 63.1
Track Width, Front (in) 63.9
Height, Overall (in) 63.7
Length, Overall (in) 187.5
Wheelbase (in) 112.8

Fuel Tank

Fuel Tank Capacity, Approx (gal) 17.2

Interior Dimensions

Front Leg Room (in) 40.7
Second Head Room (in) 37.2
Front Head Room (in) 39.5
Second Leg Room (in) 35.5
Second Shoulder Room (in) 56
Front Shoulder Room (in) 57.5
Passenger Capacity 5


EPA Fuel Economy Est - Hwy (MPG) 19
EPA Fuel Economy Est - City (MPG) 14
Fuel Economy Est-Combined (MPG) 16


Steering Type Rack-Pinion
Turning Diameter - Curb to Curb (ft) 41.4


Vehicle Name BMW X4 M
Body Style Sports Activity Coupe


Suspension Type - Rear (Cont.) Multi-Link
Suspension Type - Front Strut
Suspension Type - Rear Multi-Link
Suspension Type - Front (Cont.) Strut


Spare Tire Order Code
Front Tire Size P255/40R21
Front Tire Size P245/45ZR20
Rear Tire Size P265/40R21
Spare Tire Size
Rear Tire Size P265/45ZR20
Spare Tire Size Compact
Front Tire Order Code
Rear Tire Order Code


Eighth Gear Ratio (:1) 0.64
Final Drive Axle Ratio (:1) 3.15
Reverse Ratio (:1) 3.48
Sixth Gear Ratio (:1) 1.00
Fifth Gear Ratio (:1) 1.31
Fourth Gear Ratio (:1) 1.72
Third Gear Ratio (:1) 2.14
Second Gear Ratio (:1) 3.20
First Gear Ratio (:1) 5.00
Trans Description Cont. Again
Trans Description Cont. Automatic w/OD
Trans Type 8
Trans Order Code 2TB
Drivetrain All Wheel
Seventh Gear Ratio (:1) 0.82


EPA Classification Small Sport Utility Vehicles 4WD

Weight Information

Base Curb Weight (lbs) 4590


Rear Wheel Material Aluminum
Front Wheel Material Aluminum
Spare Wheel Size (in) Compact
Spare Wheel Size (in)
Rear Wheel Size (in) 20 X 10
Rear Wheel Size (in) 21 X 10
Rear Wheel Size (in) 21 X 10
Front Wheel Size (in) 20 X 9
Front Wheel Size (in) 21 X 9.5
Spare Wheel Material Steel
Front Wheel Size (in) 21 X 9.5
Spare Wheel Material