Recommended: regular fuel/gas octane (87) & engine oil grade (0W-20) -- 2025 4Runner 6th Gen

[Administrator]

From the 2024 4Runner 6th Gen Owner's Manual:

Gas/Fuel Octane rating:
87 Octane (Research Octane Number 91) or higher

Engine Oil Grade:
0W-20

Outside temperature:​

SAE 0W-20 is the best choice​

for good fuel economy and good​

starting in cold weather.​

If SAE 0W-20 is not available,​

SAE 5W-20 oil may be used.​

However, it must be replaced​

with SAE 0W-20 at the next oil​

change.​

Fuel / Gas Tank Capacity: 19.0 gal.

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[Trailhunter4R]

Thanks for the confirmation on recommended fuel octane rating.

Something to consider for anyone thinking what could be gained from running premium fuel (91+ octane):

Premium fuel 91 octane gains 20 hp / 14 lb-ft torque (vs. 87 octane) on gas engine 2.4L i-Force -- dyno test