Against 441 other 4-cyl cars rated 2014–2016, the 428i sits right on their 27.4 mpg average.
Every BMW 428i engine, compared
The BMW 428i 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 |
|---|---|---|---|---|
| 2L 4-cyl | 23 / 34 | 2014–2016 | $1,422 |
What that actually costs
Against its rivals in the same model years, the Toyota Corolla gets 34 mpg, the Lexus IS 24 mpg and the Acura TLX 26.5 mpg, next to 27 mpg for the 2016 428i.
| Measure | Value |
|---|---|
| Cost per mile (2016) | $0.119 |
| Fuel per year | $1,422 |
| Fuel over five years | $7,110 |
| Against other 4-cyl cars, 2014–2016 | +$21 a year |
| EPA's own estimate | $2,850 a year |
City or highway — who is this car for
The 2016 BMW 428i gives up 11 mpg in town: 34 on the highway against 23 in the city, $541 a year if every mile were city driving.
| Measure | Value | Reading |
|---|---|---|
| City (2016) | 23 mpg | $1,670 a year if you only drive in town |
| Highway | 34 mpg | $1,129 a year if you mostly commute |
| Gap | +11 mpg (48%) | Wide — this car dislikes traffic |
How the 428i changed over the years
Combined figure across the 3 model years the 428i was rated in, all of them at 27 mpg.
| Model year | Combined | City / Highway | Engines offered | Fuel per year |
|---|---|---|---|---|
| 2016 | 23 / 34 | 1 | $1,422 | |
| 2015 | 23 / 34 | 1 | $1,422 | |
| 2014 | 23 / 34 | 1 | $1,422 |
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 428i — 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 $2,850. Full method.
Frequently asked questions
What mpg does the 2016 BMW 428i get?
27 mpg combined, 23 city and 34 highway, per EPA. Across every year since 2014 the 428i has averaged 27 mpg.
Is the 2016 428i more efficient than the 2015?
About the same: 27 against 27 mpg combined.
Does the 428i get better gas mileage than the Toyota Corolla?
No: 27 mpg for the 2016 428i against 34 for the 2017 Toyota Corolla, about $293 a year more to run.
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