2023 Lexus LX 600 Gas Tank Size and Capacity

SUV 5 trims listed ← 2022

Fuel tank capacity

21.1gal · 80 L

The 2023 Lexus LX 600 has a fuel tank capacity of 21.1 gallons (80 liters) on every trim.

A full tank is good for roughly 464 highway miles or 359 miles around town, going by the EPA ratings.

21.1 gal · Bigger than 70% of 2023 models we list.

Highway range
464 mi
City range
359 mi
Fuel
Premium unleaded (required)
EPA combined
19 MPG
EPA size class
Standard Sport Utility Vehicle

2023 Lexus LX 600 fuel tank capacity by trim

MPG and range are city / highway.

TrimEngineDrive Tank MPG city / hwy Range city / hwy
4dr SUV 4WD 3.4L 6cyl Turbo 10A · 4WD MPG 17 / 22Range 359 / 464 mi 3.4L 6cyl Turbo 10A 4WD 21.1 gal80 L 17 / 22 359 / 464 mi
F SPORT Handling 4dr SUV 4WD 3.4L 6cyl Turbo 10A · 4WD MPG 17 / 22Range 359 / 464 mi 3.4L 6cyl Turbo 10A 4WD 21.1 gal80 L 17 / 22 359 / 464 mi
Luxury 4dr SUV 4WD 3.4L 6cyl Turbo 10A · 4WD MPG 17 / 22Range 359 / 464 mi 3.4L 6cyl Turbo 10A 4WD 21.1 gal80 L 17 / 22 359 / 464 mi
Premium 4dr SUV 4WD 3.4L 6cyl Turbo 10A · 4WD MPG 17 / 22Range 359 / 464 mi 3.4L 6cyl Turbo 10A 4WD 21.1 gal80 L 17 / 22 359 / 464 mi
Ultra Luxury 4dr SUV 4WD 3.4L 6cyl Turbo 10A · 4WD MPG 17 / 22Range 359 / 464 mi 3.4L 6cyl Turbo 10A 4WD 21.1 gal80 L 17 / 22 359 / 464 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 2023 Lexus LX 600 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 19 MPG, a full 21.1-gallon tank covers about 401 miles.

GaugeGallonsHighway milesCity miles
Full21.1464359
3/415.8348269
1/210.6232179
1/45.311690
1/82.65845

Over 15,000 miles a year (the EPA's yearly estimate) this configuration uses about 789 gallons, roughly 37 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
19 MPG
Tailpipe CO2
478 g/mi
EPA greenhouse score
4 of 10
Source
EPA ratings ↗

What it costs to fill up a 2023 Lexus LX 600

$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

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)$4,168

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

LX 600 tank size in other years

The 2023 LX 600 uses the same 21.1 gal tank as the 2022 model.

Model yearTankLongest highway range
2023 LX 600 21.1 gal 464 mi
2022 LX 600 21.1 gal 464 mi
Lexus LX 600 fuel tank by model year

2023 Lexus LX 600 vs similar 2023 SUVs

At 21.1 gallons, the LX 600's largest tank ranks sixth of the seven 2023 SUVs compared here. The INFINITI QX80 carries the most (26.0 gal) and the Volvo XC90 the least (18.8 gal).

2023 modelTankLongest highway range
INFINITI QX80 26.0 gal 520 mi
Mercedes-Benz GLS-Class 23.8 gal 571 mi
Land Rover Range Rover 18.9–23.8 gal 619 mi
Audi RS Q8 22.5 gal 450 mi
BMW X7 21.9 gal 548 mi
Lexus LX 600 21.1 gal 464 mi
Volvo XC90 18.8 gal 526 mi

Picked by body style and size: other 2023 SUVs within about 5% of the LX 600's length and 15% of its curb weight, one model per brand.

2023 Lexus LX 600 fuel system recalls

None of the 5 recalls NHTSA lists for the 2023 Lexus LX 600 involve the fuel system.

Check your VIN at NHTSA ↗ Look up your tank by VIN

Frequently asked questions

What is the fuel tank capacity of the 2023 Lexus LX 600?

The 2023 Lexus LX 600 holds 21.1 gallons (80 liters) on every trim we list.

How many gallons and liters does the 2023 Lexus LX 600 gas tank hold?

The 2023 Lexus LX 600 tank holds 80 liters, or 21.1 gallons in US gallons.

How far can a 2023 Lexus LX 600 go on a full tank?

About 464 miles on the highway and 359 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 2023 Lexus LX 600 go on a quarter tank?

About 116 highway miles or 90 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 2023 Lexus LX 600 take?

Premium unleaded (required). The label inside the fuel door confirms it for your car.

How much does it cost to fill up a 2023 Lexus LX 600?

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 2023 Lexus LX 600?

About 131 pounds for the 21.1-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.

Does the 2023 Lexus LX 600 have a bigger gas tank than the Mercedes-Benz GLS-Class?

No. The 2023 Mercedes-Benz GLS-Class holds up to 23.8 gallons; the 2023 Lexus LX 600 holds up to 21.1.

Has the 2023 Lexus LX 600 had a fuel pump or fuel system recall?

No. None of the 5 recalls NHTSA lists for the 2023 Lexus LX 600 involve the fuel system.

Sources

  • Tank sizes: manufacturer-rated capacities from US-market specifications, cross-checked against a second spec database. 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.
  • Recalls: NHTSA recall database.

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

Other 2023 Lexus models