Rolls-Royce · Standard SUVs · Gasoline

Rolls-Royce Cullinan: MPG and annual fuel cost, 2026

Rated at 14 MPG combined for 2026, the Rolls-Royce Cullinan is tied for 89th of 90 standard SUVs, in the bottom quarter.

14MPG combinedtied 89th of 90 in class
$5,850a year in fueltied 89th of 90 in class
609g/mile CO2

Where it stands

Compared only with the gasoline models of its class it is 36th of 36 gasoline standard SUVs, in the bottom quarter. The median of that narrower group is 19.5 MPG, against 22.5 MPG for all standard SUVs together.

Among all gasoline models of the year, regardless of size, it is tied for 176th of 180 gasoline models, in the bottom quarter.

In its class, just ahead of it is the Aston Martin DBX 727 at 16 MPG.

One dot per model of the class.

Fuel cost and CO2

Assuming 15,000 miles a year with 55% of them in the city and premium gasoline at $5.48 per gallon, fuelling the most efficient version comes to about $5,850 a year. That is $2,475 more than the standard SUVs median of $3,375.

It emits 609 g of CO2 per mile from the tailpipe; the standard SUVs median is 387, a difference of 222 g/mile.

Rated versions

Its city rating is 12 and its highway rating 19: the highway figure is 7 higher. 2 versions are rated for 2026. All of them share the same combined rating of 14 MPG.

Rated versions of the Rolls-Royce Cullinan for model year 2026
Version	Combined MPG	City MPG	Highway MPG	Annual fuel cost	CO2 g/mile
Cullinan Black Badge: 6.7 L, 12 cyl, Automatic (S8), AWD	14	12	19	$5,850	609
Cullinan: 6.7 L, 12 cyl, Automatic (S8), AWD	14	12	19	$5,850	609

Year by year

The Rolls-Royce Cullinan is in the data for 8 of the 8 model years from 2019 to 2026. The headline rating did not move between 2019 and 2026: 14 MPG both times. The number of rated versions grew from 1 to 2.

Best rating by model year.

Ratings of the Rolls-Royce Cullinan by model year
Model year	Versions	Best MPG	Lowest MPG	Fuel cost	CO2 g/mi	Class median
2026	2	14	14	$5,850	609	22.5
2025	2	14	14	$5,850	609	22.5
2024	2	14	14	$5,850	627	22
2023	2	14	14	$5,850	626	21
2022	2	14	14	$5,850	618	21
2021	2	14	14	$5,850	618	20.5
2020	2	14	14	$5,850	619	21
2019	1	14	14	$5,850	615	21

Similar models

Models closest to the Rolls-Royce Cullinan in combined rating within its class
Model	Powertrain	Combined MPG	Annual fuel cost	Model year
BMW XM	Plug-in hybrid	14	$5,850	2026
Aston Martin DBX 727	Gasoline	16	$5,150	2026
Bentley Bentayga	Gasoline	16	$5,150	2026
Audi RS Q8	Hybrid	16	$5,150	2026
Cadillac Escalade	Gasoline	17	$4,850	2026

Compare and rank

Rolls-Royce Cullinan vs Infiniti QX60

Rankings: Standard SUVs, Gasoline, Rolls-Royce, Gasoline standard SUVs.

Data: US EPA and DOE, as prepared in methods and data.