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2020 GMC Yukon Gas Tank Size & Fuel Capacity

SUV 8 trims listed 1 fuel-system recall ← 2019 2021 →

Fuel tank capacity

26.0gal · 98 L

The 2020 GMC Yukon has a fuel tank capacity of 26.0 gallons (98 liters) on every trim.

A full tank is good for roughly 546–598 highway miles or 364–390 miles around town, going by the EPA ratings.

26.0 gal · Bigger than 90% of 2020 models we list.

Listed separately: 2020 GMC Yukon XL (31.0 gal).

Highway range
546–598 mi
City range
364–390 mi
Fuel
Regular unleaded
EPA combined
17–18 MPG
EPA size class
Standard Sport Utility Vehicle

2020 GMC Yukon fuel tank capacity by trim

What changes the tank sizeTap an option to filter the table

Drive
no difference
Engine
no difference

All 8 trims

MPG and range are city / highway.

TrimEngineDrive Tank Fuel MPG city / hwy Range city / hwy
Denali 4dr SUV 6.2L 8cyl 10A · RWD · Premium (recommended) MPG 14 / 23Range 364 / 598 mi 6.2L 8cyl 10A RWD 26.0 gal98 L Premiumrecommended 14 / 23 364 / 598 mi
Denali 4dr SUV 4WD 6.2L 8cyl 10A · 4WD · Premium (recommended) MPG 14 / 22Range 364 / 572 mi 6.2L 8cyl 10A 4WD 26.0 gal98 L Premiumrecommended 14 / 22 364 / 572 mi
SLE 4dr SUV 5.3L 8cyl 6A · RWD · Regular MPG 15 / 22Range 390 / 572 mi 5.3L 8cyl 6A RWD 26.0 gal98 L Regular 15 / 22 390 / 572 mi
SLE 4dr SUV 4WD 5.3L 8cyl 6A · 4WD · Regular MPG 15 / 21Range 390 / 546 mi 5.3L 8cyl 6A 4WD 26.0 gal98 L Regular 15 / 21 390 / 546 mi
SLT 4dr SUV 5.3L 8cyl 6A · RWD · Regular MPG 15 / 22Range 390 / 572 mi 5.3L 8cyl 6A RWD 26.0 gal98 L Regular 15 / 22 390 / 572 mi
SLT 4dr SUV 4WD 5.3L 8cyl 6A · 4WD · Regular MPG 15 / 21Range 390 / 546 mi 5.3L 8cyl 6A 4WD 26.0 gal98 L Regular 15 / 21 390 / 546 mi
SLT Standard Edition 4dr SUV 5.3L 8cyl 6A · RWD · Regular MPG 15 / 22Range 390 / 572 mi 5.3L 8cyl 6A RWD 26.0 gal98 L Regular 15 / 22 390 / 572 mi
SLT Standard Edition 4dr SUV 4WD 5.3L 8cyl 6A · 4WD · Regular MPG 15 / 21Range 390 / 546 mi 5.3L 8cyl 6A 4WD 26.0 gal98 L Regular 15 / 21 390 / 546 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 2020 GMC Yukon 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 18 MPG, a full 26.0-gallon tank covers about 468 miles.

GaugeGallonsHighway milesCity miles
Full26.0572390
3/419.5429293
1/213.0286195
1/46.514398
1/83.37249

Over 15,000 miles a year (the EPA's yearly estimate) this configuration uses about 833 gallons, roughly 32 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
17–18 MPG
Tailpipe CO2
505–527 g/mi
EPA greenhouse score
3 of 10
Source
EPA ratings

What it costs to fill up a 2020 GMC Yukon

$111.02 to fill the 26.0-gallon tank from empty with regular, at this week's US average of $4.27 a gallon.

TankFuelUS avg / galFrom emptyFrom 1/4 tank
26.0 galRegular$4.27$111.02$83.26
26.0 galPremium$5.28$137.28$102.96

By region, 26.0-gallon tank

RegionRegular / galFill from empty
East Coast$4.02$104.52
Midwest$4.27$111.02
Gulf CoastLowest$3.70$96.20
Rocky Mountain$4.46$115.96
West Coast$5.42$140.92
CaliforniaHighest$5.89$153.14

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

  • 26.0-gallon tank$111.02
  • A year of driving (15,000 mi)$3,558

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

Yukon tank size in other years

The 2020 Yukon uses the same 26.0 gal tank as every Yukon since 2000.

Model yearTankLongest highway range
2025 Yukon 24.0 gal 480 mi
2024 Yukon 24.0 gal 480 mi
2023 Yukon 24.0 gal 480 mi
2022 Yukon 24.0 gal 480 mi
2021 Yukon 24.0 gal 480 mi
2020 Yukon 26.0 gal 598 mi
2019 Yukon 26.0 gal 598 mi
2018 Yukon 26.0 gal 598 mi
2017 Yukon 26.0 gal 598 mi
2016 Yukon 26.0 gal 598 mi
2015 Yukon 26.0 gal 598 mi
GMC Yukon fuel tank by model year
199219931994199519961997199819992000200120022003200420052006200720082009201020112012201320142015201620172018201920202021202220232024202520262027
← 2019 GMC Yukon Every Yukon year 2021 GMC Yukon →

2020 GMC Yukon vs similar 2020 SUVs

At 26.0 gallons, the Yukon's largest tank ranks second of the five 2020 SUVs compared here. The Toyota Sequoia carries the most (26.4 gal) and the Dodge Durango the least (24.6 gal).

2020 modelTankLongest highway range
Toyota Sequoia 26.4 gal 449 mi
GMC Yukon 26.0 gal 598 mi
Chevrolet Tahoe 26.0 gal 572 mi
Nissan Armada 26.0 gal 494 mi
Dodge Durango 24.6 gal 640 mi

Other 2020 SUVs of a similar size, one model per brand.

2020 GMC Yukon fuel system recalls

NHTSA lists 1 fuel-system recall for the 2020 GMC Yukon, out of 4 recalls in total. A recall applies only to the vehicles named in it, so check your VIN.

Delivery · Fuel pumpNov 21, 2019 · NHTSA 19V837000 · General Motors Llc · 502 vehicles

General Motors LLC (GM) is recalling certain 2020 Cadillac Escalade, Escalade ESV, Chevrolet Camaro, Silverado 1500, Suburban, Tahoe, GMC Sierra 1500, Yukon, and Yukon XL vehicles. The fuel pump may be missing a pressure regulator, allowing for over-pressurization of the fuel system.

Risk and remedy

Risk: Over-pressurization can crack the fuel pump and cause leaks, increasing the risk of a fire in the presence of an ignition source.

Remedy: GM will notify owners, and dealers will replace the fuel pump, free of charge. The recall began December 18, 2019. Owners may contact Cadillac customer service at 1-800-333-4223, Chevrolet customer service at 1-800-222-1020, or GMC customer service at 1-888-988-7267. GM's number for this recall is N192283991.

All GMC fuel recalls Look up your tank by VIN

Frequently asked questions

What is the fuel tank capacity of the 2020 GMC Yukon?

The 2020 GMC Yukon holds 26.0 gallons (98 liters) on every trim we list.

How many gallons and liters does the 2020 GMC Yukon gas tank hold?

The 2020 GMC Yukon tank holds 98 liters, or 26.0 gallons in US gallons.

Does 4WD change the 2020 GMC Yukon gas tank?

No. RWD and 4WD versions of the 2020 GMC Yukon use the same 26.0 gal tank.

How far can a 2020 GMC Yukon go on a full tank?

About 546–598 miles on the highway and 364–390 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 2020 GMC Yukon go on a quarter tank?

About 143 highway miles or 98 in town from the 26.0-gallon tank, which has roughly 6.5 gallons left at the quarter mark. Gauges aren't exact, so treat that as a guide.

What gas does the 2020 GMC Yukon take?

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

How much does it cost to fill up a 2020 GMC Yukon?

At the US average of $4.27 a gallon for regular (EIA, week of October 26, 2026), filling the 26.0-gallon tank from empty costs $111.02. It ranges from $96.20 in the Gulf Coast to $153.14 in California.

How much does a full tank of gas weigh in a 2020 GMC Yukon?

About 161 pounds for the 26.0-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.

Does the 2020 GMC Yukon have a bigger gas tank than the Chevrolet Tahoe?

No, they match: both top out at 26.0 gallons in 2020.

Has the 2020 GMC Yukon had a fuel pump or fuel system recall?

Yes. NHTSA lists 1 fuel-system recall for the 2020 GMC Yukon: 19V837000 (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 (GMC 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 2020 GMC models

Acadia19.0–22.0 gallons Canyon21.0 gallons Savana31.0 gallons Savana Cargo31.0 gallons Sierra 150024.0–28.0 gallons Sierra 2500HD36.0 gallons Sierra 3500HD36.0 gallons Terrain14.9–15.6 gallons Yukon XL31.0 gallons