The BMW 435i does 24.7 mpg combined (21 city, 31 highway), which works out to about $1,555 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 435i engine, compared
The BMW 435i 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 | 21 / 31 | 2014–2016 | $1,555 |
What that actually costs
The BMW 435i burns a gallon every 24.7 miles, so 12,000 miles takes about 486 gallons a year. At $3.20 that is what the table below adds up to.
| Measure | Value |
|---|---|
| Cost per mile | $0.130 |
| Fuel per year | $1,555 |
| Fuel over five years | $7,775 |
| Against other V6 cars | −$375 a year |
| EPA's own estimate | $3,133 a year |
City or highway — who is this car for
The BMW 435i gives up 10 mpg the moment you leave the motorway — 31 out there against 21 in town, a 48% drop worth $590 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 | 21 mpg | $1,829 a year if you only drive in town |
| Highway | 31 mpg | $1,239 a year if you mostly commute |
| Gap | +10 mpg (48%) | Wide — this car dislikes traffic |
How the 435i changed over the years
The 435i peaked in 2015 at 25 mpg (21 city, 31 highway) and was at its thirstiest in 2016 at 24 — 1 mpg apart, or $64 a year in fuel between buying one year and the other. The 2016 car does 24.
| Model year | Combined | City / Highway | Engines offered | Fuel per year |
|---|---|---|---|---|
| 2016 | 20 / 30 | 1 | $1,600 | |
| 2015 | 21 / 31 | 1 | $1,536 | |
| 2014 | 22 / 32 | 1 | $1,536 |
MPG is a number. Dollars per year is the answer.
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How we count
This page rests on 3 EPA ratings of the BMW 435i — 1 engine across 2014–2016. 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 $3,133. Full method.
Frequently asked questions
What mpg does the BMW 435i get?
24.7 mpg combined on average — 21 in the city and 31 on the highway, per EPA ratings across 2014–2016.
How much does a BMW 435i cost in fuel per year?
About $1,555 at 12,000 miles and $3.20 a gallon — roughly $7,775 over five years, or 0.130 dollars a mile.
Which 435i engine is the most economical?
The 3L 6-cyl at 24.7 mpg.
Is the 435i 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 435i 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 435i is $3,133 against the $1,555 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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