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2026 Lexus UX300h

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2026 UX300h.

Transmission Automatic (AV-S6)

The 2026 Lexus UX300h is EPA-rated at 45/41/43 mpg city/highway/combined.

Quick specs

Fluid capacities, tune-up values and fuel economy at a glance.

EPA fuel economy45/41/43 mpgEPA · verified

Engine, drivetrain, dimensions and economy.

Transmission

Automatic (AV-S6)

The most common OBD-II codes for this vehicle's emissions system. These are standardized SAE J2012 definitions, not vehicle-specific fault reports.

Catalyst system efficiency below threshold — Bank 1

Random / multiple cylinder misfire detected

System too lean — Bank 1

Evaporative emission system leak detected — large leak

Coolant thermostat below regulating temperature

Evaporative emission system leak detected — small leak

Decode factory build data for a specific vehicle by VIN.

VIN

Decode a VIN to confirm the transmission and build data for a specific UX300h. OEM

Build data

Plant, GVWR class, engine and body data for any 17-character VIN.

Recalls

Check open recall campaigns against a specific vehicle by VIN.

Cross-vehicle references for the kinds of data on this page.

What gas mileage does the UX300h get?

EPA figures are 45 city / 41 highway / 43 combined mpg.