2018 BMW X4
The Verdict
Worst problem area
Engine
Engine leads by volume: 8 of 11 complaints (73%) mention it.
Complaints filed rose from 3 in 2017 to 11 in 2018.
Data last changed . Sources: NHTSA complaints and recalls, EPA fuel economy data. Methodology
Cost, Fuel Economy & Complaint History
| Category | 2016 | 2017 | 2018 | 2019 | 2020 | vs. 2018 Small Sport Utility Vehicle 4WD |
|---|---|---|---|---|---|---|
| Annual fuel cost ($) | 3,350–3,700 | 3,350–3,700 | 3,350–3,700 | 3,100–3,350 | 3,100–4,850 | |
| Combined MPG | 21–23 | 21–23 | 21–23 | 23–25 | 16–25 | |
| City / Highway MPG | 18–20 / 25–27 | 19–20 / 26–27 | 18–20 / 25–28 | 20–22 / 27–29 | 14–23 / 19–28 | |
| CO₂ tailpipe (g/mi) | 389–428 | 389–418 | 384–429 | 360–392 | 356–546 | |
| Complaints filed | 10 | 3 | 11 | 10 | 15 | |
| Recalls issued | 2 | 2 | 1 | 7 | 10 | |
| Crash-involved complaints | 1 | 0 | 2 | 0 | 1 | |
| Fire-involved complaints | 0 | 0 | 1 | 1 | 0 | |
| Injuries reported | 1 | 0 | 0 | 0 | 0 | |
| Deaths reported | 0 | 0 | 0 | 0 | 0 | |
| Configurations compared | 3 | 2 | 2 | 2 | 4 |
Not compared: this database has no vehicle sales or registration figures, so a raw count mostly reflects how many were sold, not how safe the vehicle is.
Common questions
How many recalls does the 2018 BMW X4 have?
1 NHTSA recall campaign as of Sep 16, 2026. Check your VIN with NHTSA to see whether one applies to your car.
What is the most common complaint about the 2018 BMW X4?
Engine: 8 of 11 NHTSA complaints (73%) mention it.
What gas mileage does the 2018 BMW X4 get?
EPA rates it 21–23 MPG combined across 2 configurations.
How much does it cost to fuel a 2018 BMW X4?
EPA estimates $3,350–$3,700 a year in fuel costs, using EPA's assumptions.
Similar Vehicles
EPA-Rated Configurations (2)
| Configuration | Transmission | Cylinders | Displacement | Drivetrain | Fuel Type | Vehicle Class | City | Highway | Combined | Annual Fuel Cost | CO₂ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Configuration 1 | Automatic (S8) | 4 | 2.0L | All-Wheel Drive | Premium | Small Sport Utility Vehicle 4WD | 20 mpg (high) | 28 mpg (high) | 23 mpg (high) | $3,350 (low) | 384 g/mi (low) |
| Configuration 2 | Automatic (S8) | 6 | 3.0L | All-Wheel Drive | Premium | Small Sport Utility Vehicle 4WD | 18 mpg (low) | 25 mpg (low) | 21 mpg (low) | $3,700 (high) | 429 g/mi (high) |
Complaints by Category
| Category | Complaints | Crash-Involved | Fire-Involved | Injuries | Deaths |
|---|---|---|---|---|---|
| Engine | 8 | 0 | 1 | 0 | 0 |
| Transmission & Drivetrain | 1 | 1 | 0 | 0 | 0 |
| Fuel System | 0 | 0 | 0 | 0 | 0 |
| Electrical | 7 | 0 | 1 | 0 | 0 |
| Brakes | 1 | 1 | 0 | 0 | 0 |
| Steering | 0 | 0 | 0 | 0 | 0 |
| Suspension, Wheels & Tires | 0 | 0 | 0 | 0 | 0 |
| Airbags & Restraints | 0 | 0 | 0 | 0 | 0 |
| Driver Assistance & Speed Control | 0 | 0 | 0 | 0 | 0 |
| Body, Seats & Latches | 0 | 0 | 0 | 0 | 0 |
| Visibility & Lighting | 0 | 0 | 0 | 0 | 0 |
| Other | 2 | 0 | 1 | 0 | 0 |
A complaint that names more than one category is counted in each, so the rows can add up to more than the total number of complaints.
Recalls (1)
ENGINE AND ENGINE COOLING:COOLING SYSTEM:PUMP; ELECTRICAL SYSTEM:WIRING:CONNECTORS/PLUGS/RECEPTACLES · Campaign 24V608000 · Aug 14, 2024
Defect: BMW of North America, LLC. (BMW) is recalling certain 2012-2015 X1 sDrive28i, X1 xDrive28i, 2012-2016 Z4 sDrive28i, 528i, 528i xDrive, 328i, 328xi, 2016-2018 X5 xdrive 40e, 2014-2016 228i, 228xi, 428i, 428i xDrive, 328xi Gran Turismo, 2013-2017 X3 sDrive28i, X3 xDrive28i, 2015-2018 X4 xDrive28i, 2015-2016 428xi vehicles. An improperly sealed electrical connector on the water pump may be exposed to water and short circuit.
Consequence: An electrical short increases the risk of a fire.
Remedy: Dealers will inspect and replace the water pump and plug connector as necessary, and install a protective shield, free of charge. Owner notification letters were mailed on March 28, 2025. Owners may contact BMW customer service at 1-800-525-7417.