Fuel Economy
16–25MPG
Gas & Hybrid options available
NHTSA Complaints
6
0 crash reports • 0 reporting injuries
Safety Recalls
8
8 official NHTSA recalls
NCAP Safety Rating
Not Rated / Pending

EPA Fuel Economy & Powertrain Specifications

Official EPA laboratory test ratings, electric driving range, and annual energy cost estimates by powertrain configuration

Powertrain Group Engine / Drivetrain City MPG Hwy MPG Combined MPG Est. Annual Fuel Cost
Standard 2L 4-Cyl Premium
Automatic (S8) • All-Wheel Drive
14–23 19–29 16–25 MPG $3,050–$4,750 / yr

NHTSA NCAP Crash Test & Safety Ratings

Official 5-Star Safety Ratings evaluated by the National Highway Traffic Safety Administration

NHTSA 5-Star NCAP laboratory crash evaluations are not currently on file for the 2021 BMW X4.

Active Driver Assistance Systems (NHTSA Recorded): Forward Collision Warning (FCW) is documented as Not Specified and Lane Departure Warning (LDW) is documented as Not Specified in official NHTSA records for tested 2021 BMW X4 models.
View complete 2021 BMW X4 crash test & safety breakdown →

Reported Problems & Owner Complaints Summary (6)

Summary of 6 verified consumer defect submissions filed with the NHTSA Office of Defects Investigation (ODI)

Total Complaints
6
Crash Reports
0
Fire Reports
0
Complaints w/ Injury
0
Total Injuries
0

Top Reported Problem Categories

Ranked by total consumer complaint submissions recorded by NHTSA

Seat Belts 2 complaints
Engine 1 complaint
POWER TRAIN,ENGINE 1 complaint
Suspension 1 complaint

Data Attribution & Context: Complaints are self-reported by vehicle owners to NHTSA and represent unverified consumer submissions. Complaint volume does not equal a statistically controlled failure rate and is not adjusted for total vehicles sold or cumulative mileage driven.

View all 2021 BMW X4 problems & component breakdown (5 categories) →

Official Safety Recalls (8)

Manufacturer safety recall campaigns monitored and recorded by NHTSA

NHTSA Campaign #20V598000 Active Recall
Affected Component: BACK OVER PREVENTION: SENSING SYSTEM: CAMERA

Defect Summary: BMW of North America, LLC (BMW) is recalling certain 2020-2021 X3 sDrive 30i, X3 xDrive 30i, X3M 40i, X3 xDrive 30e, X4 xDrive 30i, X4M 40i, 530i, 540i, 540i xDrive, M550i xDrive, M5, 550e, 550e xDrive, and 550e iPerformance vehicles. A small portion of the rearview image may be slightly obscured. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 111, "Rear Visibility."

Free Manufacturer Remedy: BMW will notify owners, and dealers will inspect and, if necessary, program the rearview camera with updated software. The recall began November 18, 2020. Owners may contact BMW customer service at 1-800-525-7417.
NHTSA Campaign #26V056000 Active Recall
Affected Component: ELECTRICAL SYSTEM:STARTER ASSEMBLY

Defect Summary: BMW of North America, LLC (BMW) is recalling certain 2021-2023 Toyota Supra, 2022-2023 2 Series Coupe, 2021-2024 5 Series (xDrive), 2021-2022 Z4, 2022-2024 4 Series (Gran Coupe), 2021-2024 4 Series (Convertible and xDrive Convertible), 2021-2023 4 Series (Coupe), 2021-2024 3 Series, 2021-2023 X4, 2021-2024 X3 vehicles. Please see the recall report for a complete list of all models. The engine starter may overheat and catch fire due to wear on an internal component.

Free Manufacturer Remedy: Dealers will replace the engine starter, free of charge. Owner notification letters were mailed July 21, 2026. Owners may contact BMW customer service at 1-800-525-7417 or Toyota's customer service at 1-800-331-4331. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning March 24, 2026.
NHTSA Campaign #23V211000 Active Recall
Affected Component: SEATS

Defect Summary: BMW of North America, LLC (BMW) is recalling certain 2019-2021 330i, 330i xDrive, M340i xDrive, 2020-2021 X3 sDrive30i, X3 xDrive30i, X3 M40i, X3M, 2021 X3 xDrive30e, X4 xDrive30i, and X4M vehicles. The seat frame may not have been welded properly to the seat rails.

Free Manufacturer Remedy: Dealers will replace the seat frame and back rest, free of charge. Owner notification letters were mailed May 22, 2023. Owners may contact BMW customer service at 1-800-525-7417.
View all 2021 BMW X4 recalls & campaign history (8 campaigns) →
Official US Government Data Provenance

The specifications, safety ratings, defect reports, and recall campaigns published on this page are retrieved directly from official United States Government agency databases:

  • NHTSA Office of Defects Investigation (ODI): Consumer complaints and defect reports.
  • NHTSA New Car Assessment Program (NCAP): Frontal, side, and rollover 5-Star crash safety test ratings.
  • U.S. EPA / FuelEconomy.gov: Standardized multi-cycle dynamometer fuel economy, MPGe, and electric driving range ratings.

Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.