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RX hybrid comparison

Lexus RX 500h vs RX 350h: Which Hybrid Is Better?

Both are hybrids, but they solve different problems. The RX 350h is the efficiency-focused midsize luxury SUV. The RX 500h F SPORT Performance uses electrification to deliver substantially more power and a more performance-oriented chassis.

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RX 350h246 hp · 36 combined MPG · AWD
RX 500h366 hp · 27 combined MPG · DIRECT4 AWD
Acceleration7.4 sec vs. as quick as 5.9 sec
12K-mile delta~111 gallons/year by EPA combined estimates

Direct answer

Which RX hybrid is better?

The RX 350h is the better choice for efficiency; the RX 500h is the better choice for performance. The 2026 RX 350h combines 246 net horsepower with an EPA-estimated 36 combined MPG. The RX 500h F SPORT Performance rises to 366 net combined horsepower and adds DIRECT4 all-wheel drive plus Dynamic Rear Steering, but its combined EPA estimate is 27 MPG.

Head-to-head

Same RX footprint. Very different priorities.

Efficiency pick

2026 RX 350h AWD

36 MPG

For drivers who want the comfort of an RX while reducing fuel use compared with a performance-focused hybrid.

  • 246 net combined horsepower
  • 37 city / 34 highway / 36 combined MPG
  • 0–60 mph listed at 7.4 seconds
  • Five seats and standard AWD
VS
Performance pick

2026 RX 500h F SPORT Performance

366 HP

For drivers who want electrified torque, stronger acceleration and a more dynamic all-wheel-drive setup.

  • 366 net combined horsepower
  • 27 city / 28 highway / 27 combined MPG
  • F SPORT lineup as quick as 5.9 seconds 0–60
  • DIRECT4 AWD and Dynamic Rear Steering

Numbers that matter

The 9-MPG gap becomes clearer over a year of driving.

MetricRX 350hRX 500h F SPORT PerformanceWhat it means
Net combined horsepower246 hp366 hpRX 500h adds 120 hp.
Combined MPG3627RX 350h is rated 9 MPG higher combined.
Approx. gallons at 12,000 mi*333 gal444 galAbout 111 fewer gallons for the 350h by EPA combined estimates.
DrivetrainAWDDIRECT4 AWD500h uses Lexus performance-oriented DIRECT4 control.
CharacterEfficiency / comfortPerformance / responseChoose based on priorities, not simply the higher output number.

*Simple comparison: 12,000 miles divided by EPA combined MPG. Actual fuel use depends on speed, traffic, temperature, driving style, vehicle condition and other factors.

South Bay buyer profiles

A quicker way to pick.

A

I commute every day

Start with the RX 350h. Its 36-MPG combined rating better rewards high annual mileage.

B

I care about acceleration

Start with the RX 500h. The extra 120 hp changes the performance proposition materially.

C

I want broad trim choice

RX 350h is offered across several comfort and design-focused trims in the 2026 line.

D

I want F SPORT Performance

RX 500h is the purpose-built hybrid answer, with DIRECT4 and Dynamic Rear Steering.

Next step

Compare real vehicles, not only spec sheets.

Live SRP

RX Hybrid inventory

See current RX 350h and RX 500h listings as availability changes.

Browse RX Hybrid →Broader comparison

Lexus electrified guide

Compare RX against UX, NX, ES, RZ and other electrified choices.

Open guide →All powertrains

All new Lexus inventory

Compare hybrid choices against current gas, plug-in and EV inventory.

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RX Hybrid FAQ

The questions behind the comparison

What is the main difference between the Lexus RX 500h and RX 350h?

The 2026 RX 350h prioritizes fuel efficiency with 246 net combined horsepower and an EPA-estimated 36 combined MPG. The RX 500h F SPORT Performance prioritizes performance with 366 net combined horsepower, DIRECT4 all-wheel drive, Dynamic Rear Steering and an EPA-estimated 27 combined MPG.

Which Lexus RX hybrid gets better gas mileage?

The 2026 RX 350h is rated at an EPA-estimated 36 combined MPG, compared with 27 combined MPG for the RX 500h F SPORT Performance AWD.

Is the RX 500h faster than the RX 350h?

Yes. South Bay Lexus lists the RX hybrid lineup at 7.4 seconds from 0–60 mph for the 350h and as quick as 5.9 seconds for F SPORT configurations, with the RX 500h producing 366 net combined horsepower.

How much more fuel can the RX 500h use over 12,000 miles?

Using the combined EPA estimates for comparison, 12,000 miles works out to about 333 gallons at 36 MPG for the RX 350h and about 444 gallons at 27 MPG for the RX 500h—a difference of roughly 111 gallons before accounting for real-world driving variation.

Which RX hybrid should I buy?

Choose the RX 350h if efficiency, lower fuel use and broad trim choice are the priority. Choose the RX 500h F SPORT Performance if stronger acceleration, DIRECT4 AWD and a more performance-focused setup matter more than maximizing MPG.

Drive the difference before choosing.

The output and MPG numbers are clear; the ride, steering and acceleration differences are best evaluated in person.

Shop RX Hybrid →Call Sales

Spec review: August 27, 2026. Performance and EPA figures are for comparison and come from current South Bay Lexus 2026 RX Hybrid model information. Actual results vary.

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