2021 BMW X4 xDrive30iFuel Economy & MPG Ratings

Gasoline Small Sport Utility Vehicle 4WDAll-Wheel Drive
2021 BMW X4 xDrive30i

Photo: Charles from Port Chester, New York. CC BY 2.0. via Wikimedia Commons

City
23
MPG
Highway
29
MPG
Combined
25
MPG

Trim Comparison

Automatic (S8)
Premium
City
23
Hwy
29
Comb
25
Fuel cost: $3,250/yr
Annual Fuel Cost
$3,250

Based on gasoline at $3.67/gal, 15,000 miles/year

5-Year Fuel Savings
$-4,250

vs. average new vehicle

EPA Fuel Economy Score: 5/10
GHG Score: 5/10

Environment

CO₂ Tailpipe Emissions
351 g/mile
Annual Petroleum Consumption
11.9 barrels

Specifications

Engine
2L 4-cyl
Transmission
8-speed Automatic
Drivetrain
AWD
Body Style
SUV/Crossover
GVWR
Class 1 (≤6,000 lbs)

Source: EPA fuel economy data & NHTSA vPIC. Specifications reflect the most common trim configuration.

Engine & Efficiency Details

Source: EPA fueleconomy.gov

Engine Size
2L, 4-cylinder
Induction Type
Direct Injection
Efficiency Tech
Auto Start-Stop
Fuel Type
Premium Gasoline

Annual Fuel Cost by State

Prices as of week ending May 18, 2026 · Source: EIA

National AvgEPA default
$4.490/gal$2,694/yr
California
$5.957/gal$3,574/yr
Texas
$3.888/gal$2,333/yr
Florida
$4.136/gal$2,482/yr
New York
$4.522/gal$2,713/yr
Ohio
$4.510/gal$2,706/yr
Washington
$5.591/gal$3,355/yr
Colorado
$4.618/gal$2,771/yr
Minnesota
$4.344/gal$2,606/yr
Massachusetts
$4.448/gal$2,669/yr

Calculated at 15,000 miles/year (EPA standard assumption) using 25 MPG combined. Regular gasoline prices. Actual costs vary.

Recall History

Source: NHTSA

No recalls reported for this vehicle.

Owner-Reported Problems6 complaints

Source: NHTSA

NHTSA has received 6 owner complaints for the 2021 BMW X4 xDrive30i. Top reported issues include engine, seat belts and power train. The data below is sourced from consumer complaints filed directly with NHTSA.

Problems by System / Component

Engine
2
Seat Belts
2
Power Train
1
Suspension
1

2021 BMW X4 xDrive30i problems by category: Engine: 2 complaints, Seat Belts: 2 complaints, Power Train: 1 complaints, Suspension: 1 complaints.

Sample Owner Complaints

Power TrainFiled: 04/07/2026ODI#11729655
I am reporting a safety concern regarding BMW vehicles equipped with the B58 Technical Update (B58TU) engine, commonly found on models from 2019 to 2021. The oil pump in these vehicles is failing pre…
Seat BeltsFiled: 02/03/2026ODI#11715323
Went to sit in driver rear seat and put on my seat belt and found it frayed apart. Thought this was od and tried the rear passenger side only to find the exact same thing. Took it to the dealer in Vis…
SuspensionFiled: 02/16/2023ODI#11507631
What component or system failed or malfunctioned, and is it available for inspection upon request? - Suspension How was your safety or the safety of others put at risk? - Its giving head ache and bod…

Complaint data is sourced from the NHTSA Complaints Database. Reports are filed by vehicle owners and may not reflect confirmed defects. Last updated via NHTSA API.

Related

BMW X4 xDrive30i MPG History
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