The BMW 540d does 30 mpg combined (26 city, 36 highway), which works out to about $1,280 a year in fuel at $3.20 a gallon and 12,000 miles. Against other V6 cars it sits above the average of 19.9 mpg.
Every BMW 540d engine, compared
The BMW 540d was rated in a single specification, so its gas mileage does not vary by version — only by model year. Yearly cost assumes 12,000 miles at $3.20 a gallon.
| Engine | Combined | City / Highway | Years | Fuel per year |
|---|---|---|---|---|
| 3L 6-cyl | 26 / 36 | 2018–2018 | $1,280 |
What that actually costs
The BMW 540d burns a gallon every 30 miles, so 12,000 miles takes about 400 gallons a year. At $3.20 that is what the table below adds up to.
| Measure | Value |
|---|---|
| Cost per mile | $0.107 |
| Fuel per year | $1,280 |
| Fuel over five years | $6,400 |
| Against other V6 cars | −$650 a year |
| EPA's own estimate | $2,600 a year |
City or highway — who is this car for
The BMW 540d gives up 10 mpg the moment you leave the motorway — 36 out there against 26 in town, a 38% drop worth $410 a year. A wide gap punishes stop-and-start traffic; a narrow one means the car doesn't care where you drive it.
| Measure | Value | Reading |
|---|---|---|
| City | 26 mpg | $1,477 a year if you only drive in town |
| Highway | 36 mpg | $1,067 a year if you mostly commute |
| Gap | +10 mpg (38%) | Wide — this car dislikes traffic |
How the 540d changed over the years
Combined figure across the 1 model year the 540d was rated in, all of them at 30 mpg.
| Model year | Combined | City / Highway | Engines offered | Fuel per year |
|---|---|---|---|---|
| 2018 | 26 / 36 | 1 | $1,280 |
MPG is a number. Dollars per year is the answer.
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How we count
This page rests on 1 EPA ratings of the BMW 540d — 1 engine across 2018–2018. The mileage is EPA's laboratory figure, unchanged; the yearly bill is ours, at 12,000 miles and $3.20 a gallon, against EPA's own estimate of $2,600. Full method.
Frequently asked questions
What mpg does the BMW 540d get?
30 mpg combined on average — 26 in the city and 36 on the highway, per EPA ratings across 2018–2018.
How much does a BMW 540d cost in fuel per year?
About $1,280 at 12,000 miles and $3.20 a gallon — roughly $6,400 over five years, or 0.107 dollars a mile.
Which 540d engine is the most economical?
The 3L 6-cyl at 30 mpg.
Is the 540d good on fuel compared with similar cars?
Against other V6 cars it sits above the average of 19.9 mpg, computed across 4940 ratings.
Are these real-world 540d figures?
No — they are EPA laboratory ratings, the same ones printed on the window sticker, and EPA's own annual fuel estimate for the BMW 540d is $2,600 against the $1,280 we compute at 12,000 miles. Expect a little worse in practice: the spread between the city and highway figures is smaller than the spread between two drivers of the same one.
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