Against 258 other V8 cars rated 2018–2020, the Mulsanne trails their 17.4 mpg average by 5.4 mpg, about $993 a year.
Every Bentley Mulsanne engine, compared
The Bentley Mulsanne 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 |
|---|---|---|---|---|
| 6.8L 8-cyl | 10.8 / 17.6 | 2011–2020 | $2,931 |
What that actually costs
| Measure | Value |
|---|---|
| Cost per mile (2020) | $0.267 |
| Fuel per year | $3,200 |
| Fuel over five years | $16,000 |
| Against other V8 cars, 2018–2020 | +$993 a year |
| EPA's own estimate | $5,905 a year |
City or highway — who is this car for
The 2020 Bentley Mulsanne gives up 6 mpg in town: 16 on the highway against 10 in the city, $1,440 a year if every mile were city driving.
| Measure | Value | Reading |
|---|---|---|
| City (2020) | 10 mpg | $3,840 a year if you only drive in town |
| Highway | 16 mpg | $2,400 a year if you mostly commute |
| Gap | +6 mpg (60%) | Wide — this car dislikes traffic |
How the Mulsanne changed over the years
The Mulsanne peaked in 2018 at 14 mpg (11 city, 18 highway) and was at its thirstiest in 2020 at 12 — 2 mpg apart, or $457 a year in fuel between buying one year and the other. The 2020 car does 12.
| Model year | Combined | City / Highway | Engines offered | Fuel per year |
|---|---|---|---|---|
| 2020 | 10 / 16 | 1 | $3,200 | |
| 2019 | 10 / 16 | 1 | $3,200 | |
| 2018 | 11 / 18 | 1 | $2,743 | |
| 2017 | 11 / 18 | 1 | $2,743 | |
| 2016 | 11 / 18 | 1 | $2,743 | |
| 2015 | 11 / 18 | 1 | $2,954 | |
| 2014 | 11 / 18 | 1 | $2,954 | |
| 2013 | 11 / 18 | 1 | $2,954 | |
| 2012 | 11 / 18 | 1 | $2,954 | |
| 2011 | 11 / 18 | 1 | $2,954 |
MPG is a number. Dollars per year is the answer.
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How we count
This page rests on 10 EPA ratings of the Bentley Mulsanne — 1 engine across 2011–2020. 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 $5,905. Full method.
Frequently asked questions
What mpg does the 2020 Bentley Mulsanne get?
12 mpg combined, 10 city and 16 highway, per EPA. Across every year since 2011 the Mulsanne has averaged 13.1 mpg.
Is the 2020 Mulsanne more efficient than the 2019?
About the same: 12 against 12 mpg combined.
Which Mulsanne year has the best gas mileage?
The 2018, at 14 mpg combined (11 city, 18 highway).
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