2021 BMW X6 sDrive40iFuel Economy & MPG Ratings

Hybrid Standard Sport Utility Vehicle 2WDRear-Wheel Drive
2021 BMW X6 sDrive40i

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

City
21
MPG
Highway
26
MPG
Combined
23
MPG

Trim Comparison

Automatic (S8)
Premium Hybrid
City
21
Hwy
26
Comb
23
Fuel cost: $3,550/yr
Annual Fuel Cost
$3,550

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

5-Year Fuel Savings
$-5,750

vs. average new vehicle

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

Environment

CO₂ Tailpipe Emissions
383 g/mile
Annual Petroleum Consumption
12.9 barrels

Specifications

Engine
3L 6-cyl
Transmission
8-speed Automatic
Drivetrain
RWD
Body Style
SUV/Crossover
GVWR
Class 2-3 (6,001–10,000 lbs)

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

Engine & Efficiency Details

Source: EPA fueleconomy.gov

Engine Size
3L, 6-cylinder
Induction Type
SIDI; Mild Hybrid
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$2,928/yr
California
$5.957/gal$3,885/yr
Texas
$3.888/gal$2,536/yr
Florida
$4.136/gal$2,697/yr
New York
$4.522/gal$2,949/yr
Ohio
$4.510/gal$2,941/yr
Washington
$5.591/gal$3,646/yr
Colorado
$4.618/gal$3,012/yr
Minnesota
$4.344/gal$2,833/yr
Massachusetts
$4.448/gal$2,901/yr

Calculated at 15,000 miles/year (EPA standard assumption) using 23 MPG combined. Regular gasoline prices. Actual costs vary.

Recall History

Source: NHTSA

No recalls reported for this vehicle.

Owner-Reported Problems7 complaints

Source: NHTSA

NHTSA has received 7 owner complaints for the 2021 BMW X6 sDrive40i. Top reported issues include advanced safety (adas), brakes and electrical system. The data below is sourced from consumer complaints filed directly with NHTSA.

Problems by System / Component

Advanced Safety (ADAS)
3
Brakes
2
Electrical System
2
Steering
1
Engine
1
Air Bags
1

2021 BMW X6 sDrive40i problems by category: Advanced Safety (ADAS): 3 complaints, Brakes: 2 complaints, Electrical System: 2 complaints, Steering: 1 complaints, Engine: 1 complaints, Air Bags: 1 complaints.

2
Crashes Reported
0
Fires Reported
0
Injuries Reported

Sample Owner Complaints

BrakesFiled: 01/26/2026ODI#11713418
The contact owns a 2021 BMW X6. The contact stated that while driving at an undisclosed speed, the brake pedal was depressed; however, the vehicle failed to stop as intended. The contact shifted into …
EngineFiled: 11/12/2025ODI#11698929
The contact owns a 2021 BMW X6. The contact stated that upon start the vehicle, the drivetrain message was displayed. Overtime, the contact stated that the vehicle either failed to start or was slow t…
Other / UnknownFiled: 05/17/2024CrashODI#11589248
The automatic parking feature was being used to park in garage the vehicle proceed to back up without stopping and the emergency braking system didn’t engage leading to the vehicle crashing. I could h…

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 X6 sDrive40i MPG History
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