What is the transmission fluid of the 2018 Lexus IS?

Toyota Genuine ATF WS (type); IS350 (2WD): 10.0 qt (capacity); IS350/IS300 (AWD): 10.6 qt (capacity). Source: 2018 Lexus IS Owner's Manual.

2018 Lexus IS Transmission Fluid

2018 Lexus IS transmission fluid for each version, from the owner's manual with page references. Values differ by version; see each version.

Depends on your version. Choose yours, or compare them here.

2018 Lexus IS Owner's Manual, PDF page 591

Toyota Genuine ATF WSOpen the manual at this page ↗Added Oct 24, 2026

See where it's printed

Transmission fluid (type) · All versions · PDF page 591
Toyota Genuine ATF WS

Transmission fluid (capacity) · IS350 (2WD) · PDF page 591
10.0 qt. (9.5 L, 8.4 Imp. qt.)

Transmission fluid (type) · All versions · PDF page 591
Toyota Genuine ATF WS

Transmission fluid (capacity) · IS350/IS300 (AWD) · PDF page 591
10.6 qt. (10.0 L, 8.8 Imp. qt.)

See every quote (3 values)

3 values

Applies to	Value	Manual says	Page
All versions	Toyota Genuine ATF WStype	“Toyota Genuine ATF WS”	PDF page 591 ↗
IS350 (2WD)	10.0 qtcapacity	“10.0 qt. (9.5 L, 8.4 Imp. qt.)”	PDF page 591 ↗
IS350/IS300 (AWD)	10.6 qtcapacity	“10.6 qt. (10.0 L, 8.8 Imp. qt.)”	PDF page 591 ↗

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Matches your manualToyota Genuine ATF WS

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Original sourcePDF page 591

Transmission fluid (type) · All versions · PDF page 591
Toyota Genuine ATF WS

Transmission fluid (capacity) · IS350 (2WD) · PDF page 591
10.0 qt. (9.5 L, 8.4 Imp. qt.)

Transmission fluid (type) · All versions · PDF page 591
Toyota Genuine ATF WS

Transmission fluid (capacity) · IS350/IS300 (AWD) · PDF page 591
10.6 qt. (10.0 L, 8.8 Imp. qt.)

Short lines are shown as printed; open the manual for the full page.