HYBRID · Premium gas

Lexus RX 350h Fuel Cost

Midsize luxury hybrid SUV with excellent MPG and AWD standard. Below are estimated fuel costs based on 36 combined MPG and average US gas prices.

Best for high-mileage drivers who want the lowest possible monthly fuel bill.

  • Great for commuting
  • Low monthly fuel bill
  • Cheap to run
  • Excellent efficiency
  • Updated for 2026
  • EPA-style MPG
  • US avg fuel prices
  • US units
  • Transparent assumptions
City

37 MPG

Highway

34 MPG

Combined

36 MPG

Tank

17.2 gal

Range / tank

~619 mi

MPG breakdown

City37 MPG
Highway34 MPG
Combined36 MPG
619miles
Range / tank

Estimated fuel cost at 12,000 miles/year

Based on 36 MPG and $4.10/gal.

Annual cost

$1367

Monthly cost

$114

Cost per mile

$0.114

Gallons / year

333

Estimate your own cost

Pre-filled with the Lexus RX 350h's combined MPG.

mi/yr
mpg
$/gal

Pre-filled with estimated combined MPG for the Lexus RX 350h. Adjust for your real-world driving.

Estimated Annual Cost

$0.00

Per Month

$0.00

Per Mile

$0.000

~333 gallons per year

Cost by annual mileage

How much you'll spend per year at common US mileage levels (estimates).

Miles per yearGallons / yearAnnual costMonthly cost
8,000222$911$76
12,000333$1367$114
15,000417$1708$142

Estimates only. Actual costs depend on driving style, terrain, weather, and local fuel or electricity prices.

How we estimate Lexus RX 350h costs

MPG / MPGe
EPA-style combined city + highway figures for the base trim and recent model year.
Fuel price
Average US retail regular gas, premium where required, or per-kWh electricity.
Annual mileage
Default scenarios at 8,000 / 12,000 / 15,000 miles per year.
Trim & year variance
AWD, larger wheels, towing packages and older years can lower efficiency 5–15%.

Sources & assumptions

  • EPA fuel economy dataCity / highway / combined MPG and MPGe baselines.
  • U.S. Department of Energy (fueleconomy.gov)Vehicle efficiency and EV range references.
  • AAA gas price trendsRecent national and regional retail fuel averages.
  • EIA electricity ratesAverage residential per-kWh prices used for EV charging.

We summarize publicly available data — no scraping, no external API calls. Figures are calibrated periodically; use the calculators above for your exact inputs.

Frequently asked questions

What is the estimated annual fuel cost for the Lexus RX 350h?

Driving 12,000 miles per year at 36 MPG and $4.10/gal, expect about $1367 per year. Heavier city driving or longer commutes will increase that.

What MPG does the Lexus RX 350h get?

Estimated EPA-style ratings are roughly 37 city / 34 highway / 36 combined MPG. Real-world numbers depend on terrain, climate and driving style.

What is the tank size of the Lexus RX 350h?

The Lexus RX 350h typically has a 17.2-gallon tank. At 36 combined MPG, that's roughly 619 miles of driving range per fill-up.

How does Lexus RX 350h fuel cost compare to other vehicles?

At 12,000 miles per year, this vehicle costs about $1367. Compare it to other hybrids on our index page or use the cost-per-mile calculator to compare two specific vehicles side-by-side.

Cheaper-to-drive alternatives

Same vehicle class as the Lexus RX 350h, but lower fuel or charging cost per mile. Annual cost at 12,000 mi.

Save vs RX 350h: $640
over 12,000 mi/yr by switching to Toyota Prius
Lexus RX 350h· this vehicle$1367
Toyota Prius· 57 MPG$726
Hyundai Elantra Hybrid· 54 MPG$767
Kia Niro Hybrid· 53 MPG$781
Toyota Prius Prime· 52 MPG$796

Compare similar hybrids

The closest competitors to the Lexus RX 350h by MPG and category.

Compare the Lexus RX 350h head-to-head

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Best road trips for the Lexus RX 350h

Mid-distance trips where the Lexus RX 350h's hybrid efficiency makes a real difference.

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