Against 344 other Hybrid cars rated 2024–2026, the 740i sits right on their 28 mpg average. Averaged over the years each was sold, the most economical engine since 1993, the 3L 6-cyl Hybrid (2023–2026), does 27.8 mpg and the thirstiest, the 4L 8-cyl (1993–1995), 16.7: $918 a year apart.
Every BMW 740i engine, compared
Yearly cost assumes 12,000 miles at $3.20 a gallon.
| Engine | Combined | City / Highway | Years | Fuel per year |
|---|---|---|---|---|
| 3L 6-cyl Hybrid | 25 / 31 | 2023–2026 | $1,381 | |
| 3L 6-cyl | 20.1 / 28.1 | 2011–2022 | $1,670 | |
| 4.4L 8-cyl | 15 / 22 | 1997–2001 | $2,133 | |
| 4L 8-cyl | 14.7 / 21 | 1993–1995 | $2,299 |
What that actually costs
Against its rivals in the same model years, the Dodge Charger gets 20 mpg, the Kia K5 30 mpg and the Porsche Panamera 20.3 mpg, next to 28 mpg for the 2026 740i.
| Measure | Value |
|---|---|
| Cost per mile (2026) | $0.114 |
| Fuel per year | $1,371 |
| Fuel over five years | $6,855 |
| Against other Hybrid cars, 2024–2026 | about the same |
| EPA's own estimate | $3,560 a year |
City or highway — who is this car for
The 2026 BMW 740i gives up 6 mpg in town: 31 on the highway against 25 in the city, $297 a year if every mile were city driving.
| Measure | Value | Reading |
|---|---|---|
| City (2026) | 25 mpg | $1,536 a year if you only drive in town |
| Highway | 31 mpg | $1,239 a year if you mostly commute |
| Gap | +6 mpg (24%) | Typical for its type |
How the 740i changed over the years
The 740i peaked in 2026 at 28 mpg (25 city, 31 highway) and was at its thirstiest in 1993 at 16 — 12 mpg apart, or $1,029 a year in fuel between buying one year and the other.
| Model year | Combined | City / Highway | Engines offered | Fuel per year |
|---|---|---|---|---|
| 2026 | 25 / 31 | 1 | $1,371 | |
| 2025 | 25 / 31 | 1 | $1,371 | |
| 2024 | 25 / 31 | 1 | $1,371 | |
| 2023 | 25 / 31 | 1 | $1,422 | |
| 2022 | 22 / 29 | 1 | $1,536 | |
| 2021 | 22 / 29 | 1 | $1,536 | |
| 2020 | 22 / 29 | 1 | $1,600 | |
| 2019 | 21 / 29 | 1 | $1,600 | |
| 2018 | 21 / 29 | 1 | $1,600 | |
| 2017 | 21 / 29 | 1 | $1,600 | |
| 2016 | 21 / 29 | 1 | $1,600 | |
| 2015 | 19 / 28 | 1 | $1,745 | |
| 2014 | 19 / 28 | 1 | $1,745 | |
| 2013 | 19 / 28 | 1 | $1,745 | |
| 2012 | 17 / 25 | 1 | $1,920 | |
| 2011 | 17 / 25 | 1 | $1,920 | |
| 2001 | 15 / 22 | 1 | $2,133 | |
| 2000 | 15 / 22 | 1 | $2,133 | |
| 1999 | 15 / 22 | 1 | $2,133 | |
| 1998 | 15 / 22 | 1 | $2,133 | |
| 1997 | 15 / 22 | 1 | $2,133 | |
| 1995 | 15 / 22 | 1 | $2,259 | |
| 1994 | 15 / 21 | 1 | $2,259 | |
| 1993 | 14 / 20 | 1 | $2,400 |
MPG is a number. Dollars per year is the answer.
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How we count
This page rests on 24 EPA ratings of the BMW 740i — 4 engines across 1993–2026. 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 $3,560. Full method.
Frequently asked questions
What mpg does the 2026 BMW 740i get?
28 mpg combined, 25 city and 31 highway, per EPA. Across every year since 1993 the 740i has averaged 22 mpg.
Is the 2026 740i more efficient than the 2025?
About the same: 28 against 28 mpg combined.
Which 740i year has the best gas mileage?
The 2026, at 28 mpg combined (25 city, 31 highway), which is also the latest model year we hold.
Does the 740i get better gas mileage than the Dodge Charger?
Yes: 28 mpg for the 2026 740i against 20 for the 2026 Dodge Charger, about $549 a year less to run.
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