2018 BMW 540d xDriveFuel Economy & MPG Ratings
Diesel Midsize CarsAll-Wheel Drive
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City
26
MPG
Highway
36
MPG
Combined
30
MPG
Real-World MPG
Based on 1 owner report via EPA fueleconomy.gov
41.4MPG average+38.0% vs EPA label
EPA combined: 30 MPG · Owner reported avg: 41.4 MPG
Driving mix: City 20% / Highway 80%
Source: EPA fueleconomy.gov “Your MPG” owner submissions. Real-world results vary by driver behavior, conditions, and equipment.
Owner reported MPG for this vehicle averages 41.4 real world MPG based on 1 owner report. EPA combined rating is 30 MPG.
Trim Comparison
Automatic (S8)
Diesel Diesel
City
26
Hwy
36
Comb
30
Fuel cost: $2,800/yr
| Trim | Engine | City | Hwy | Combined | Fuel Cost/yr |
|---|---|---|---|---|---|
| Automatic (S8) | Diesel Diesel | 26 | 36 | 30 | $2,800 |
Annual Fuel Cost
$2,800
Based on gasoline at $3.67/gal, 15,000 miles/year
5-Year Fuel Savings
$-2,000
vs. average new vehicle
EPA Fuel Economy Score: 7/10
GHG Score: 5/10
Environment
- CO₂ Tailpipe Emissions
- 341 g/mile
- Annual Petroleum Consumption
- 11.9 barrels
Specifications
- Engine
- 3L 6-cyl
- Transmission
- 8-speed Automatic
- Drivetrain
- AWD
- Body Style
- Sedan
- 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
- 3L, 6-cylinder
- Efficiency Tech
- Auto Start-Stop
- Fuel Type
- Diesel
Annual Fuel Cost by State
Prices as of week ending May 18, 2026 · Source: EIA
National AvgEPA default
$4.490/gal$2,245/yr
California
$5.957/gal$2,979/yr
Texas
$3.888/gal$1,944/yr
Florida
$4.136/gal$2,068/yr
New York
$4.522/gal$2,261/yr
Ohio
$4.510/gal$2,255/yr
Washington
$5.591/gal$2,796/yr
Colorado
$4.618/gal$2,309/yr
Minnesota
$4.344/gal$2,172/yr
Massachusetts
$4.448/gal$2,224/yr
| State | Gas Price | Annual Cost | vs. National Avg |
|---|---|---|---|
| National AvgEPA default | $4.490/gal | $2,245/yr | — |
| California | $5.957/gal | $2,979/yrHIGHEST | +$734 |
| Texas | $3.888/gal | $1,944/yrLOWEST | $-301 |
| Florida | $4.136/gal | $2,068/yr | $-177 |
| New York | $4.522/gal | $2,261/yr | +$16 |
| Ohio | $4.510/gal | $2,255/yr | +$10 |
| Washington | $5.591/gal | $2,796/yr | +$551 |
| Colorado | $4.618/gal | $2,309/yr | +$64 |
| Minnesota | $4.344/gal | $2,172/yr | $-73 |
| Massachusetts | $4.448/gal | $2,224/yr | $-21 |
Calculated at 15,000 miles/year (EPA standard assumption) using 30 MPG combined. Regular gasoline prices. Actual costs vary.
Related
BMW 540d xDrive MPG History
See how this model's fuel economy changed by year