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2015 BMW 7 Series Gas Tank Size & Fuel Capacity

Sedan 9 trims listed 2 fuel-system recalls ← 2014 2016 →

Fuel tank capacity

21.1gal · 80 L

The 2015 BMW 7 Series has a fuel tank capacity of 21.1 gallons (80 liters) on every trim.

A full tank is good for roughly 422–654 highway miles or 274–485 miles around town, going by the EPA ratings.

21.1 gal · Bigger than 71% of 2015 models we list.

Highway range
422–654 mi
City range
274–485 mi
Fuel
Premium unleaded (required)
EPA combined
15–26 MPG
EPA size class
Large Cars

2015 BMW 7 Series fuel tank capacity by trim

What changes the tank sizeTap an option to filter the table

Powertrain
no difference
Drive
no difference
Engine
no difference

All 9 trims

MPG and range are city / highway.

TrimEngineDrive Tank Fuel MPG city / hwy Range city / hwy
740Ld xDrive 4dr Sedan AWD 3.0L 6cyl Turbodiesel 8A · AWD · Diesel Diesel MPG 23 / 31Range 485 / 654 mi 3.0L 6cyl Turbodiesel 8A Diesel AWD 21.1 gal80 L Diesel 23 / 31 485 / 654 mi
740Li 4dr Sedan 3.0L 6cyl Turbo 8A · RWD · Premium (required) MPG 19 / 29Range 401 / 612 mi 3.0L 6cyl Turbo 8A RWD 21.1 gal80 L Premiumrequired 19 / 29 401 / 612 mi
740Li xDrive 4dr Sedan AWD 3.0L 6cyl Turbo 8A · AWD · Premium (required) MPG 19 / 28Range 401 / 591 mi 3.0L 6cyl Turbo 8A AWD 21.1 gal80 L Premiumrequired 19 / 28 401 / 591 mi
740i 4dr Sedan 3.0L 6cyl Turbo 8A · RWD · Premium (required) MPG 19 / 29Range 401 / 612 mi 3.0L 6cyl Turbo 8A RWD 21.1 gal80 L Premiumrequired 19 / 29 401 / 612 mi
750Li 4dr Sedan 4.4L 8cyl Turbo 8A · RWD · Premium (required) MPG 16 / 25Range 338 / 528 mi 4.4L 8cyl Turbo 8A RWD 21.1 gal80 L Premiumrequired 16 / 25 338 / 528 mi
750Li xDrive 4dr Sedan AWD 4.4L 8cyl Turbo 8A · AWD · Premium (required) MPG 16 / 24Range 338 / 506 mi 4.4L 8cyl Turbo 8A AWD 21.1 gal80 L Premiumrequired 16 / 24 338 / 506 mi
750i 4dr Sedan 4.4L 8cyl Turbo 8A · RWD · Premium (required) MPG 17 / 25Range 359 / 528 mi 4.4L 8cyl Turbo 8A RWD 21.1 gal80 L Premiumrequired 17 / 25 359 / 528 mi
750i xDrive 4dr Sedan AWD 4.4L 8cyl Turbo 8A · AWD · Premium (required) MPG 16 / 24Range 338 / 506 mi 4.4L 8cyl Turbo 8A AWD 21.1 gal80 L Premiumrequired 16 / 24 338 / 506 mi
760Li 4dr Sedan 6.0L 12cyl Turbo 8A · RWD · Premium (required) MPG 13 / 20Range 274 / 422 mi 6.0L 12cyl Turbo 8A RWD 21.1 gal80 L Premiumrequired 13 / 20 274 / 422 mi

Tank figures are the manufacturer's rated capacity, sorted smallest tank first. Range is tank size times EPA city or highway MPG.

How far a 2015 BMW 7 Series goes on a tank

Gallons left and the distance they cover at each mark on the fuel gauge, at EPA city and highway mileage. At the combined rating of 23 MPG, a full 21.1-gallon tank covers about 485 miles.

GaugeGallonsHighway milesCity miles
Full21.1612401
3/415.8459301
1/210.6306200
1/45.3153100
1/82.67650

Over 15,000 miles a year (the EPA's yearly estimate) this configuration uses about 652 gallons, roughly 31 full tanks.

Fuel gauges aren't perfectly linear and the low-fuel light comes on with a few gallons still in the tank, so plan your stop before the last eighth.

EPA combined
15–26 MPG
Tailpipe CO2
387–584 g/mi
EPA greenhouse score
3–5 of 10
Gas guzzler tax
Yes
Source
EPA ratings

What it costs to fill up a 2015 BMW 7 Series

$111.41 to fill the 21.1-gallon tank from empty with premium, at this week's US average of $5.28 a gallon.

TankFuelUS avg / galFrom emptyFrom 1/4 tank
21.1 galPremium$5.28$111.41$83.56
21.1 galDiesel$6.35$133.99$100.49

By region, 21.1-gallon tank

RegionPremium / galFill from empty
East Coast$4.93$104.02
Midwest$5.37$113.31
Gulf CoastLowest$4.57$96.43
Rocky Mountain$5.12$108.03
West Coast$6.08$128.29
CaliforniaHighest$6.36$134.20

Prices: U.S. Energy Information Administration retail averages for the week of October 26, 2026. This week's prices by state and city.

Your own price

  • 21.1-gallon tank$111.41
  • A year of driving (15,000 mi)$3,443

Starts at the US average for premium; type in what your station charges. For other tank sizes, use the fill-up calculator.

7 Series tank size in other years

The 2015 7 Series uses the same 21.1 gal tank as every 7 Series since 2013.

Model yearTankLongest highway range
2020 7 Series 12.1–20.6 gal 597 mi
2019 7 Series 12.1–20.6 gal 597 mi
2018 7 Series 12.1–20.6 gal 597 mi
2017 7 Series 12.1–20.6 gal 597 mi
2016 7 Series 20.6 gal 597 mi
2015 7 Series 21.1 gal 654 mi
2014 7 Series 21.1 gal 612 mi
2013 7 Series 21.1 gal 591 mi
2012 7 Series 21.7 gal 543 mi
2011 7 Series 21.7 gal 543 mi
2010 7 Series 21.7 gal 477 mi
BMW 7 Series fuel tank by model yearSmallest tank Larger tank options
199019911992199319941995199619971998199920002001200220032004200520062007200820092010201120122013201420152016201720182019202020212022202520262027
← 2014 BMW 7 Series Every 7 Series year 2016 BMW 7 Series →

2015 BMW 7 Series vs similar 2015 sedans

At 21.1 gallons, the 7 Series's largest tank ranks fifth of the seven 2015 sedans compared here. The Porsche Panamera carries the most (26.4 gal) and the Lincoln MKS the least (19.0 gal).

2015 modelTankLongest highway range
Porsche Panamera 21.1–26.4 gal 713 mi
Mercedes-Benz S-Class 20.6–21.9 gal 618 mi
Audi S8 21.7 gal 586 mi
Jaguar XJ 21.7 gal 586 mi
BMW 7 Series 21.1 gal 654 mi
Cadillac XTS 19.0–20.0 gal 532 mi
Lincoln MKS 19.0 gal 532 mi

Other 2015 sedans of a similar size, one model per brand.

2015 BMW 7 Series fuel system recalls

NHTSA lists 2 fuel-system recalls for the 2015 BMW 7 Series, out of 5 recalls in total. A recall applies only to the vehicles named in it, so check your VIN.

Fuel system, dieselNov 19, 2021 · NHTSA 21V907000 · Bmw Of North America, LLC · 50,404 vehicles

BMW of North America, LLC (BMW) is recalling certain 2013-2018 328d, 328d xDrive, 2014-2018 328d Sports Wagon, 328d xDrive Sports Wagon, 2014-2016 535d, 535d xDrive, 2015 740Ld xDrive, 2015-2017 X3 xDrive28d SAV, and 2014-2017 X5 xDrive35d SAV diesel vehicles equipped with an Exhaust Gas Recirculation (EGR) module with an integrated cooler. The EGR cooler may leak internally, causing coolant to mix with diesel engine soot, which could result in smoldering particles and a melting intake manifold.

Risk and remedy

Risk: A melting intake manifold increases the risk of a fire.

Remedy: Dealers will replace the EGR cooler and inspect the intake manifold, replacing it as necessary, free of charge. This recall includes all vehicles previously recalled under 18V-755. Vehicles previously recalled under 18V-755 will need to have the new remedy performed for this recall. An interim owner notification letter was mailed on January 18, 2022. The remedy is expected to be available in June 2022. Owner notification letters were mailed on July 6, 2022. Owners may contact BMW customer service at 1-800-525-7417.

Delivery · Fuel pumpJul 29, 2021 · NHTSA 21V586000 · Bmw Of North America, LLC · 11,216 vehicles

BMW of North America, LLC (BMW) is recalling certain 2014-2018 328d, 328d xDrive, X5 xDrive35d, 2014-2016 535d, 535d xDrive, 2015 740Ld xDrive, and 2015-2017 X3 xDrive28d vehicles. The high-pressure fuel pump may fail.

Risk and remedy

Risk: Fuel pump failure can cause an engine stall while driving, increasing the risk of a crash.

Remedy: Dealers will replace the high-pressure fuel pump, free of charge. Owner notification letters were mailed on January 14, 2022. Owners may contact BMW customer service at 1-800-525-7417.

All BMW fuel recalls Look up your tank by VIN

Frequently asked questions

What is the fuel tank capacity of the 2015 BMW 7 Series?

The 2015 BMW 7 Series holds 21.1 gallons (80 liters) on every trim we list.

How many gallons and liters does the 2015 BMW 7 Series gas tank hold?

The 2015 BMW 7 Series tank holds 80 liters, or 21.1 gallons in US gallons.

Does the 2015 BMW 7 Series tank change with the powertrain?

No. Gas and Diesel versions of the 2015 BMW 7 Series use the same 21.1 gal tank.

Does AWD change the 2015 BMW 7 Series gas tank?

No. RWD and AWD versions of the 2015 BMW 7 Series use the same 21.1 gal tank.

How far can a 2015 BMW 7 Series go on a full tank?

About 422–654 miles on the highway and 274–485 miles in town, going from full to empty at its EPA ratings. Expect less in practice, since nobody runs the tank dry.

How many miles can a 2015 BMW 7 Series go on a quarter tank?

About 153 highway miles or 100 in town from the 21.1-gallon tank, which has roughly 5.3 gallons left at the quarter mark. Gauges aren't exact, so treat that as a guide.

What gas does the 2015 BMW 7 Series take?

Premium unleaded (required), or Diesel fuel, depending on the engine. The label inside the fuel door confirms it for your car.

How much does it cost to fill up a 2015 BMW 7 Series?

At the US average of $5.28 a gallon for premium (EIA, week of October 26, 2026), filling the 21.1-gallon tank from empty costs $111.41. It ranges from $96.43 in the Gulf Coast to $134.20 in California.

How much does a full tank of gas weigh in a 2015 BMW 7 Series?

About 148 pounds for the 21.1-gallon tank. Diesel weighs roughly 7 pounds a gallon.

Does the 2015 BMW 7 Series have a bigger gas tank than the Audi S8?

No. The 2015 Audi S8 holds up to 21.7 gallons; the 2015 BMW 7 Series holds up to 21.1.

Has the 2015 BMW 7 Series had a fuel pump or fuel system recall?

Yes. NHTSA lists 2 fuel-system recalls for the 2015 BMW 7 Series: 21V907000 (fuel system, diesel); 21V586000 (delivery · fuel pump). Check your VIN at nhtsa.gov/recalls to see if your car is affected.

Sources

  • Tank sizes: manufacturer-rated capacities from US-market specifications, checked against independent references. Updated October 2026.
  • MPG and range: EPA ratings (fueleconomy.gov). Range is tank size times EPA MPG.
  • Fuel prices: U.S. Energy Information Administration, week of October 26, 2026 (this week's prices).
  • Recalls: NHTSA recall database (BMW fuel system recalls).

Does your owner's manual say something different? Let us know and we'll fix it. More on how we check the numbers.

Other 2015 BMW models

2 Series13.7 gallons 3 Series15.0–15.8 gallons 3 Series Gran Turismo15.8 gallons 4 Series15.8 gallons 4 Series Gran Coupe15.8 gallons 5 Series18.5 gallons 5 Series Gran Turismo18.5 gallons 6 Series18.5 gallons 6 Series Gran Coupe18.5 gallons ActiveHybrid 517.7 gallons ActiveHybrid 720.1 gallons ALPINA B6 Gran Coupe18.5 gallons