2021 · Midsize & Large SUV · Gas

2021 BMW X6 MPG & fuel economy

The 2021 BMW X6 is a midsize or large SUV offered in 2 EPA-rated configurations. The most efficient version returns 18 MPG combined (16 city / 22 highway) on premium gasoline. Across the lineup, combined ratings range from 15 to 18 MPG. That's down 5 MPG from the 2020 model. Among 65 midsize & large SUVs rated for 2021, it ranks 51st for lowest fuel cost. At 15,000 miles a year with $3.95/gal premium gas, it costs about $3,292 a year to fuel.

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Combined 18 MPG 16 MPG city · 22 MPG hwy

Driving range — not published for this model

Your fuel cost $3,292 15,000 mi/yr · $21.94 per 100 mi

Class rank, 2021 #51 of 65 Midsize & Large SUVs by fuel cost

What will it cost you?

Your mileage and prices are saved and used across the site.

Miles per year Premium gas $/gal

Fuel average

The 2021 BMW X6's fuel average is 7.7 km/L (13.1 L/100 km), or 18 MPG combined: 6.8 km/L in the city and 9.4 km/L on the highway.

	MPG	km/L	L/100 km
City	16	6.8	14.7
Highway	22	9.4	10.7
Combined	18	7.7	13.1

How it ranks among 2021 Midsize & Large SUVs

Full class ranking →

1Tesla Model X105 MPGe $864
2Audi e-tron78 MPGe $1,172
3Toyota Highlander Hybrid36 MPG $1,292
4Ford Explorer Hybrid27 MPG $1,722
5Lincoln Aviator Plug-in Hybrid56 MPGe + 23 MPG $1,833
···
51BMW X618 MPG $3,292
···
65Lamborghini Urus14 MPG $4,232

2021 X6Other midsize & large SUVsClass median: $2,583/yr

Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.

X6 MPG across model years

Full history →

2 EPA-rated configurations

Configuration	Type	City	Hwy	Combined	Range	Your cost / yr
AWD · 4.4L 8-cyl turbo · 8-speed automatic X6 M50i	Gas	16 MPG	22 MPG	18 MPG	—	$3,292
AWD · 4.4L 8-cyl turbo · 8-speed automatic X6 M	Gas	13 MPG	18 MPG	15 MPG	—	$3,950

Specs (most efficient configuration)

Fuel: Premium gasoline
Engine / motor: 4.4L 8-cyl turbo
Transmission: 8-speed automatic
Drivetrain: AWD
Tailpipe CO₂: 488 g/mi
EPA fuel economy score: 3/10
EPA greenhouse gas score: 3/10

2021 BMW X6 vs. rivals

vs Mercedes-Benz G-Class 18 MPG · $3,292/yr Same fuel cost vs Maserati Levante 18 MPG · $3,292/yr Same fuel cost vs Land Rover Defender 19 MPG · $3,118/yr Defender saves $173/yr vs Land Rover Defender Hybrid 19 MPG · $3,118/yr Defender Hybrid saves $173/yr vs Cadillac Escalade 17 MPG · $3,485/yr X6 saves $194/yr vs Audi SQ7 17 MPG · $3,485/yr X6 saves $194/yr vs Audi SQ8 17 MPG · $3,485/yr X6 saves $194/yr vs BMW X6 Hybrid 23 MPG · $2,576/yr X6 Hybrid saves $716/yr vs Bentley Bentayga 18 MPG · $3,292/yr Same fuel cost

Compare the 2021 X6

With any other car from any year, including other X6 model years. Type a year to jump, e.g. "2015 Accord".

Same year, other powertrains: 2021 BMW X6 Hybrid (23 MPG)

Frequently asked questions

What is the gas mileage of the 2021 BMW X6?

Up to 18 MPG combined (16 city / 22 highway); ratings range from 15 to 18 MPG depending on configuration.

What fuel does the 2021 BMW X6 use?

Premium gasoline (premium is required or recommended by the manufacturer).

What is the fuel average in km/L for the 2021 BMW X6?